1001
The Canadian Mineralogist
Vol. 40, pp. 1001-1020 (2002)

NEW MINERALSJOSEPH A. MANDARINO§
94 Moore Avenue, Toronto, Ontario M4T 1V3, Canada

Bigcreekite
BaSi2O5•4H2O
O RTHORHOMBIC

Locality: The type locality is the Esquire #7 claim (Section 27, T11S, R25E, Mount Diablo
Meridian, Lat. 36° 55' N, Long. 119° 14'42" W), along the west side of Big Creek, eastern Fresno County, California, U.S.A. Also found along the northwestern slope of
Trumbull Peak, Mariposa County, California, U.S.A. (NE¼ Section 9, T3S, R19E,
Mount Diablo Meridian).
Occurrence: In fractures in gneissic rocks composed of sanbornite, quartz, diopside, pyrrhotite
and barium-bearing minerals. Other minerals from the type locality are: alforsite,
walstromite, anandite, bazirite, benitoite, celsian, gillespite, fresnoite, macdonaldite,muirite, pellyite, titantaramellite and verplanckite.
General appearance: Subhedral crystalline masses mm in length.
Physical, chemical and crystallographic properties: Luster: vitreous to pearly. Diaphaneity: probably transparent to translucent. Color: white to colorless. Streak: white. Luminescence:
nonfluorescent. Hardness: 2 to 3. Tenacity: brittle. Cleavage: {010} and {001} perfect.
Fracture: uneven. Density: 2.66 g/cm3 (meas.), 2.76 g/cm3 (calc.). Crystallography:
Orthorhombic, Pnma, a 5.038, b 9.024, c 18.321 Å, V 833 Å3, Z = 4, a:b:c = 0.5583:
1:2.0303. Morphology: no forms were mentioned; habit tabular, elongate on [100].
Twinning: none mentioned. X-ray powder-diffraction data: 5.068(100)(013),
4.054(85)(022), 2.974(45)(031), 2.706(60)(124), 2.327(40)(035), 2.257(75)(126).
Optical data: Biaxial (+),  1.537,  1.538,  1.541, 2V(meas.) 59.2° , 2V(calc.) 60° ;
dispersion r < v, moderate; nonpleochroic; orientation, X = b, Y = a, Z = c. Chemical
analytical data: Mean of four sets of electron-microprobe data (with H2O calculated
to give 4H2O): Na2O 0.11, CaO 0.03, BaO 48.88, SrO 0.02, SiO2 38.16, H2O (22.94),
Total (110.14) wt.%. Empirical formula: (Ba1.00Na0.01)1.01Si1.99O5.00•4.00H2O.
Relationship to other species: Its structure has similarities to those of sanbornite andgillespite.
Name: After the locality.
Comments: IMA No. 1999–015.
BASCIANO, L.C., GROAT, L.A., ROBERTS, A.C., GAULT, R.A., DUNNING, G.E. & WALSTROM, R.E.
(2001): Bigcreekite: a new barium silicate mineral species from Fresno County, California. Canadian Mineralogist 39, 761-768.

§

E-mail address: j.a.mandarino@puffin.net

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THE CANADIAN MINERALOGIST

Brandholzite
Mg[Sb(OH)6]2•6H2O
T RIGONAL

Locality: The former Brandholz–Goldkronach mining district in the western part of the
Fichtelgebirge, Bavaria, Germany. Specifically, it was found in the Schmidten-Schacht
and Jakobi-Schacht pits of the master lode.
Occurrence: An alteration product of stibnite in the oxidation zone, found in a stibnite matrix
with “antimony-ochers”.
General appearance: Tabular hexagonal crystals up to ~1 mm in diameter (most are <0.5 mm)
forming rose-like aggregates.
Physical, chemical and crystallographic properties: Luster: vitreous. Diaphaneity: transparent.
Color: colorless. Streak: white. Luminescence: nonfluorescent. Hardness: VHN (load not
specified) 60 kg/mm2, Mohs 2 to 3. Tenacity: brittle. Cleavage: none. Fracture: conchoidal. Density: 2.65 g/cm3 (meas.), 2.57 g/cm3 (calc.). Crystallography: Trigonal, P3,
a 16.119, c 9.868 Å, V 2220.4 Å3, Z = 6, c:a = 0.6122. Morphology: the forms are listed
as {100} and {001}, but the tabular hexagonal habit requires {010} and {001̄} also.
Twinning: on {100}. X-ray powder-diffraction data: No table of data is given, but thestrongest lines are listed as 4.636(100)(300), 3.392(70)(302), 4.946(50)(002),
2.356(40)(332). Optical data: Uniaxial (–),  1.570,  1.569, nonpleochroic. Chemical analytical data: There was insufficient material for a complete analysis, but thesynthetic equivalent was analyzed for Sb (by atomic absorption spectroscopy), Mg(by flame emission spectroscopy) and H2O (by TGA) and gave: MgO 6.7, Sb2O5 55.0,
H2O 39.0, Total 100.7 wt.%. Empirical formula: Mg0.94[Sb(OH)6]1.92•6.49H2O. Relationship to other species: It is the Mg-dominant analogue of bottinoite, Ni[Sb(OH)6]2•
6H2O.
Name: After the locality.
Comments: IMA No. 1998–017. It is unfortunate that the complete set of X-ray powder-diffraction data was not published.
FRIEDRICH, A., WILDNER, M., TILLMANNS, E. & MERZ, P.L. (2000): Crystal chemistry of the newmineral brandholzite, Mg(H 2O) 6 [Sb(OH) 6] 2, and of the synthetic analogues
M2+(H2O)6[Sb(OH)6]2 (M2+ = Mg, Co). American Mineralogist 85, 593-599.

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NEW MINERALS

Carmichaelite(Ti,Cr)O1.5(OH)0.5
M ONOCLINIC

Locality: Garnet Ridge, Navajo volcanic field, Colorado Plateau, Arizona, U.S.A.
Occurrence: In pyrope crystals in an ultramafic diatreme. Associated minerals are: rutile andsrilankite. Other minerals in the host crystals are: ilmenite, crichtonite-group minerals, spinel and olivine.
General appearance: Anhedral to subhedral elongated platy crystals (up to 30 m).
Physical, chemical and crystallographic properties: Luster: metallic. Diaphaneity: opaque; translucent under high magnification. Color: black, but cinnamon brown in transmitted
light. Streak: not given. Hardness: ~6, based on its similar polishing quality to rutile.
Tenacity: brittle. Cleavage: none observed. Fracture: not given. Density: not measured,
4.13 g/cm3 (calc.). Crystallography: Monoclinic, P21/c, a 7.706, b 4.5583, c 20.187 Å,
 92.334° , V 708.5 Å3, Z = 22, a:b:c = 1.6905:1:4.4286. Morphology: no forms werementioned. Twinning: none observed. X-ray powder-diffraction data: 3.773(94)(013),
2.842(100)( 1̄15), 2.664(70)(213), 1.688(54)( 3̄22), 1.679(44)(226), 1.661(44)(1̄28), 1.648(34)(1.1.11). Optical data: In reflected light: gray to white. R about 18%.
Chemical analytical data: Mean of six sets of electron-microprobe data: TiO2 62.16,
Cr2O3 18.43, Al2O3 1.88, FeO 7.61, MgO 2.80, Nb2O5 0.37, V2O3 0.87, H2O (5.76),
Total (99.88) wt.%. The amount of H2O was calculated by stoichiometry; its presence
was confirmed by IR spectroscopy. Empirical formula: (Ti0.62Cr0.19Fe0.08Mg0.06Al0.03
V0.01)0.99O1.49(OH)0.51. Relationship to other species: None apparent.
Name: After Prof. Ian S.E. Carmichael (b. 1930), University of California, Berkeley, for his
contributions to petrology.
Comments: IMA No. 1996–062. Details of the crystal structure are given in the paper.
WANG, L., ROUSE, R.C., ESSENE, E.J., PEACOR, D.R. & ZHANG, Y. (2000): Carmichaelite, a newhydroxyl-bearing titanate from Garnet Ridge, Arizona. American Mineralogist 85, 792800.

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THE CANADIAN MINERALOGIST

Chromceladonite
KCrMg[Si4O10](OH)2
M ONOCLINIC

Locality: Srednyaya Padma uranium–vanadium deposit, southern Karelia, Russia.
Occurrence: In a metasomatic rock. Associated minerals are: dolomite, quartz, roscoelite,
chromphyllite, calcite, hematite, uraninite, zincochromite, vanadium oxides, among
others.
General appearance: Aggregates of thin lamellae (up to 1 cm) and as spherulites and veinlets.
Physical, chemical and crystallographic properties: Luster: vitreous to silky. Diaphaneity: transparent. Color: emerald green to dark green. Streak: light green. Luminescence:
nonfluorescent. Hardness: 1½ to 2. Tenacity: flexible but not elastic. Cleavage: {001}perfect. Fracture: platy. Density: 2.90 g/cm3 (meas.), 2.97 g/cm3 (calc.). Crystallography: Monoclinic, C2, a 5.267, b 9.101, c 10.162 Å,  100.67° , V 479 Å3, Z = 2, a:b:c =0.5787:1:1.1166. Morphology: probably only {001}. Twinning: none observed. Xray powder-diffraction data: 4.54(93)(020), 4.36(40)(11 1̄), 3.638(64)(11 2̄),3.097(51)(112), 2.588(100)(131̄), 2.409(87)(132̄), 1.518(56)(331̄). Optical data:
Biaxial (–),  1.605,  1.648,  1.654, 2V(meas.) 12° , 2V(calc.) 40° ; dispersion notobserved; pleochroism: X colorless to pale green, Y = Z green; X ⵩ (001) < 5° . Chemical analytical data: Ten electron-microprobe analyses were carried out, with Li, Fe2+
and Fe3+ determined by wet-chemical means. Data for the holotype specimen are: Li2O
0.13, Na2O 0.14, K2O 10.42, MgO 7.82, MnO 0.19, FeO 0.73, ZnO 0.22, Al2O3 3.25,
V2O3 1.79, Cr2O3 17.01, Fe2O3 0.58, SiO2 53.20, TiO2 0.16, H2O 3.38, F 0.57, sum
99.59, less O = F 0.24, Total 99.35 wt.%. Empirical formula: (K0.95Na0.02)0.97(Cr 0.97V 0.10Al 0.09Fe 3+0.03Ti 0.01) 1.20 (Mg 0.84Fe 2+0.04Li 0.04Zn 0.01Mn 0.01) 0.94 [(Si 3.82
Al0.18)4.00O10.00 ][(OH)1.62O0.25F0.13]2.00. Relationship to other species: A member ofthe mica group.
Name: Reflects the composition of the mica and its relationship to celadonite.
Comments: IMA No. 1999–024.
PEKOV, I.V., CHUKANOV, N.V., RUMIANTSEVA, E.V., KABALOV, YU.K., SCHNEIDER, J. & LEDENEVA,
N.V. (2000): Chromceladonite KCrMg[Si4O10](OH)2 – a new mineral of the micagroup. Zapiski Vserossiyskogo Mineralogicheskogo Obshchestva 129(1), 38-44.

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NEW MINERALS

Clearcreekite
Hg1+3(CO3)(OH)•2H2O
M ONOCLINIC

Locality: A small prospect pit near the long-abandoned Clear Creek mercury mine, New Idria
district, San Benito County, California, U.S.A.
Occurrence: In a brecciated rock consisting mainly of ferroan magnesite and quartz. Associated minerals are cinnabar and edoylerite.
General appearance: A small cluster of subhedral crystals (up to 0.17 mm).
Physical, chemical and crystallographic properties: Luster: given as vitreous but optical data
indicate adamantine. Diaphaneity: transparent. Color: pale greenish yellow. Streak: palegreenish yellow. Luminescence: nonfluorescent. Hardness: could not be measured, but
probably is low. Tenacity: brittle. Cleavage: {001} good. Fracture: uneven. Density: could
not be measured, 6.82 g/cm3 (calc.). Crystallography: Monoclinic, P21/c, a 6.760, b
9.580, c 10.931 Å,  105.53° , V 682.1 Å3, Z = 4, a:b:c = 0.7056:1:1.1410. Morphology:{001} major and {010} minor. Twinning: none mentioned. X-ray powder-diffraction
data: 7.09(70)(011), 5.40(30)(110), 5.32(40)(1̄11), 4.62(90)(012), 3.058(30)(031),
2.831(100)(023), 2.767(100)(211, 2̄21), 2.486(30)(202), 2.391(40)(040, 2̄04),
1.692(30)(2̄44,4̄02). Optical data: No data could be measured. Indices of refraction
probably are higher than 2. Chemical analytical data: An electron-microprobe analysis gave Hg2O 84.65%; values of CO2 and H2O of 6.16 and 6.30%, respectively, were
calculated from the crystal-structure data, for a total 97.11 wt.%. Empirical formula:Hg1+2.92(CO3)1.01(OH)0.90•2.07H2O. Relationship to other species: It is the monoclinic
polymorph of Hg1+3(CO3)(OH)•2H2O, peterbaylissite being orthorhombic.
Name: After the locality.
Comments: IMA No. 1999–003. The crystal structure has been solved.
ROBERTS, A.C., GROAT, L.A., RAUDSEPP, M., ERCIT, T.S., ERD, R.C., MOFFATT, E.A. & STIRLING,
J.A.R. (2001): Clearcreekite, a new polymorph of Hg1+3(CO3)(OH)•2H2O, from theClear Creek claim, San Benito County, California. Canadian Mineralogist 39, 779-784.

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THE CANADIAN MINERALOGIST

Edgarite
FeNb3S6
H EXAGONAL

Locality: Khibina alkaline complex, Kola Peninsula, Russia (Lat. 67° 43' N, Long. 33° 47' W).
Occurrence: In a fenitized xenolith (approximately 0.2 km across) enclosed by nepheline syenite. Associated minerals are: pyrrhotite (Ti- and V-rich), ferroan alabandite, marcasite (Ti- and V-rich), wurtzite-2H (Mn- and Fe-rich), corundum, phlogopite, rutile,
monazite-(Ce) and a graphite-like mineral.
General appearance: Platy inclusion (up to 0.15 mm) in pyrrhotite and alabandite and as
aggregates of platy grains on pyrrhotite.
Physical, chemical and crystallographic properties: Luster: metallic. Diaphaneity: opaque. Color:dark gray. Streak: not given. Hardness: VHN5 135 kg/mm2 and VHN10 205 kg/mm2,
soft. Tenacity: not given. Cleavage: {001} perfect. Fracture: not given. Density: not measured, 4.99 g/cm3 (calc.). Crystallography: Hexagonal, most probably P6322, a 5.771,
c 12.190 Å, V 351.6 Å3, Z = 2, c:a = 2.1123. Morphology: no forms were observed.
Twinning: none mentioned. X-ray powder-diffraction data: 6.11(8)(002),
3.04(6)(004), 2.606(8)(112), 2.096(10)(114), 1.665(8)(300), 1.524(6)(008),
1.126(7)(322), 1.027(6)(414). Optical data: In reflected light: gray, strong anisotropism from almost white to dark brown, distinct bireflectance, pleochroic from lightgray with a bluish tint to gray. R1, R2; imR1, imR2: (28.1, 40.2; 13.0, 24.2%) 470 nm,(27.4, 39.3; 12.3, 22.2%) 546 nm, (27.0, 38.5; 12.2, 21.7%) 589 nm, (27.0, 36.9;
12.4, 20.3%) 650 nm. Chemical analytical data: Mean of four sets of electron-microprobe data: Nb 52.87, Fe 10.12, V 0.36, Mn 0.10, Ti 0.04, S 35.86, Total 99.35 wt.%.
Empirical formula: (Fe0.96V0.04Mn0.01)1.01Nb3.03S5.95. Relationship to other species: It
is the natural analogue of synthetic FeNb3S6.
Name: After Prof. Alan D. Edgar (1935–1998), University of Western Ontario, London,
Ontario, Canada, in recognition of his important contributions to the petrology andmineralogy of alkaline rocks.
Comments: IMA No. 1995–017.
BARKOV, A.Y., MARTIN, R.F., MEN’SHIKOV, Y.P., SAVCHENKO, Y.E., THIBAULT, Y. & LAAJOKI, K.V.O.
(2000): Edgarite, FeNb3S6, first natural niobium-rich sulfide from the Khibina alkaline complex, Russian Far North: evidence for chalcophile behavior of Nb in a fenite.
Contributions to Mineralogy and Petrology 138, 229-236.

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NEW MINERALS

Gladiusite
Fe3+2(Fe2+,Mg)4(PO4)(OH)11(H2O)
M ONOCLINIC

Locality: The Kovdor alkaline-ultramafic complex, southwestern Kola Peninsula, northwestern Russia (Lat. 67° 35'N, Long. 30° 20'E).
Occurrence: In hydrothermal assemblages in vugs in cataclastic and mineralized dolomite
carbonatite. Associated minerals are: pyrite, rutile, a ternovite-like phase, catapleiite,
rimkorolgite, bobierrite, collinsite, juonniite, strontiowhitlockite, pyrrhotite andstrontian collinsite.
General appearance: Acicular masses and free-standing radiating clusters (up to 2 mm in diameter) of arrow-head crystals. Crystals have subtly curved faces and a habit similar
to a double-edged sword. Acicular crystals are 0.5 to 7 m thick and 10 to 500 mlong.
Physical, chemical and crystallographic properties: Luster: vitreous. Diaphaneity: opaque in aggregates and translucent in thin needles. Color: dark green to almost black. Streak: olive-green, but changes to brownish red in 10 to 12 hours. Luminescence:
nonfluorescent. Hardness: VHN20 300 kg/mm2, Mohs 4 to 4½. Tenacity: brittle. Cleavage: not observed. Fracture: uneven. Density: 3.11 g/cm3 (meas.), 3.10 g/cm3 (calc.).
Crystallography: Monoclinic, P21/n, a 16.959, b 11.650, c 6.266 Å,  90.00° , V 1238
Å3, Z = 4, a:b:c = 1.4557:1:0.5379. Morphology: no forms were mentioned. Twinning:extensive on [001], causing pseudo-orthorhombic symmetry. X-ray powder-diffraction
data: 9.61(53)(110), 6.87(77)(210), 5.83(89)(020), 4.805(100)(220), 3.787(62)(130),3.533(84)(230), 2.868(66)(140). Optical data: Biaxial (–),  1.722,  1.730,  1.737,
2V not measured, 2V(calc.) 86° (given erroneously as 78.3° in the paper’s abstract);
dispersion not given; pleochroism: X olive green, Y grayish blue, Z dark green with ablue tint, absorption X > Y > Z; orientation not given. Chemical analytical data: Meansof twenty-three sets of electron-microprobe data: MgO 11.16, MnO 0.78, FeO 25.00,
Fe2O3 29.90, TiO2 0.04, P2O5 12.46, H2O 20.18, Total 99.52 wt.%. Empirical formula: Fe3+2.00(Fe2+2.02Mg1.61Fe3+0.17Mn2+0.06)3.86 (PO4)1.02 (OH)10.83•1.08H2O. Relationship to other species: None apparent.
Name: Refers to the appearance of the crystals, which resemble double-edged swords (gladiusin Latin).
Comments: IMA No. 1998–011. The Gladstone–Dale compatibility is given as –0.0062, superior; the actual value is 0.087, poor.
LIFEROVICH, R.P., SOKOLOVA, E.V., HAWTHORNE, F.C., LAAJOKI, K.V.O., GEHÖR, S., PAKHOMOVSKY,
YA.A. & SOROKHTINA, N.V. (2000): Gladiusite, Fe3+2(Fe2+,Mg)4(PO4)(OH)11(H2O), a
new hydrothermal mineral species from the phoscorite–carbonatite unit, Kovdor complex, Kola Peninsula, Russia. Canadian Mineralogist 38, 1477-1485.
SOKOLOVA, E.V., HAWTHORNE, F.C., MCCAMMON, C. & LIFEROVICH, R.P. (2001): The crystal
structure of gladiusite, (Fe2+,Mg)4Fe3+2(PO4)(OH)11(H2O). Canadian Mineralogist 39,
1121-1130.

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THE CANADIAN MINERALOGIST

KampfiteBa6[(Si,Al)O2]8(CO3)2Cl2(Cl,H2O)2
H EXAGONAL

Locality: Esquire #1 claim, Rush Creek, eastern Fresno County, California, USA (NE¼ NW¼
Section 16, T11S, R25E, Mount Diablo Meridian, Lat. 37° 05'N, Long. 119° 16'20"W).
Kampfite has been found also at the Esquire #7 claim, along Big Creek, Fresno County,
California, USA (SE¼ SE¼ Section 27, T11S, R25E, Mount Diablo Meridian, Lat.
36° 56'40"N, Long. 119° 14'28"W).
Occurrence: In a quartz–sanbornite outcrop. Associated minerals are: celsian, fresnoite,
macdonaldite, pyrrhotite, titantaramellite, traskite, witherite, two new minerals and ahydrated form of SiO2.
General appearance: Irregular masses up to 1 cm.
Physical, chemical and crystallographic properties: Luster: vitreous. Diaphaneity: translucent.
Color: light blue-gray. Streak: white. Luminescence: nonfluorescent. Hardness: 3. Tenacity: brittle. Cleavage: {001} well-developed. Fracture: uneven. Density: could not bemeasured because of the presence of numerous inclusions, 3.51 g/cm3 (calc.). Crystallography: Hexagonal, P63/mmc, P6̄2c, P63mc, P3̄1c or P31c, a 5.244, c 29.83 Å, V
710.5 Å3, Z = 1, c:a = 5.6884. Morphology: no forms were observed . Twinning: none
observed. X-ray powder-diffraction data: 14.67(100)(002), 3.883(100)(104),
3.357(50)(106), 2.988(60)(00.10), 2.887(50)(108), 2.616(70)(110), 1.969(50)(1.1.10). Optical data: Uniaxial (–),  1.642,  1.594, nonpleochroic. One grain isbiaxial (–),  1.641,  1.642, (calc.) 1.642, 2V(meas.) 20° , dispersion r < v slight.
Chemical analytical data: Mean of three sets of electron-microprobe data (with CO2
and H2O calculated by stoichiometry): Na2O 0.08, CaO 0.06, BaO 57.72, Al2O3 7.76,
CO2 (5.69), SiO2 20.14, H2O (1.16), Cl 5.60, sum 98.21, less O = Cl 1.27, Total(96.94) wt.%. Empirical formula: (Ba5.83Na0.04Ca0.02)5.89 [(Si5.19Al2.36)7.55O15.08](CO3)2.00Cl2.00[(H2O)1.00Cl0.45]1.45. Relationship to other species: The only otherbarium silicate carbonate mineral is fencooperite, Ba6Fe3+3Si8O23(CO3)2Cl3•H2O.
Name: After Anthony Robert Kampf (b. 1948), Curator and Section Head of Minerals, Los
Angeles County Museum of Natural History, for his many contributions to the crystallographic study of new and rare minerals.
Comments: IMA No. 2000–003.
BASCIANO, L.C., G ROAT, L.A., ROBERTS , A.C., G RICE, J.D., D UNNING, G.E., FOORD , E.E.,
KJARSGAARD, I.M. & WALSTROM, R.E. (2001): Kampfite, a new barium silicate carbonate mineral species from Fresno County, California. Canadian Mineralogist 86, 10531058.

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NEW MINERALS

Londonite(Cs,K,Rb)Al4Be4(B,Be)12O28
C UBIC

Locality: The type locality is Antandrokomby granitic pegmatite, near Mt. Ibity, south of the
Sahatany Valley, Madagascar. Also from the Ampanivana and Antsongombato
pegmatites.
Occurrence: In the pocket zone of the pegmatite. Associated minerals are: quartz, albite, red
tourmaline, microcline and danburite.
General appearance: Two well-formed crystals 1 cm across (type locality). Also up to 7 cm
across at Antsongombato.
Physical, chemical and crystallographic properties: Luster: vitreous. Diaphaneity: translucent totransparent. Color: milky white to yellow. Streak: white. Luminescence: weak yellowgreen fluorescence under short-wave ultraviolet light. Hardness: 8. Tenacity: brittle.
Cleavage: none. Fracture: conchoidal. Density: 3.34 g/cm3 (meas.), 3.42 g/cm3 (calc.).
Crystallography: Cubic, P3m, a 7.3205 Å, V 392.30 Å3, Z = 1. Morphology: dodecahedron {110}, tristetrahedron {211}, tetrahedron {111}, deltoid dodecahedron {221}and rare cube {100}. Twinning: none mentioned. X-ray powder-diffraction data:
7.320(20)(100), 3.274(50)(210), 2.9898(100)(211), 2.4410(50)(300,221),
2.2072(20)(311), 2.1132(35)(222), 1.9565(20)(321), 1.8301(20)(400), 1.7755(25)(410,322). Optical data: Isotropic, n 1.693. Chemical analytical data: Mean of five setsof electron-microprobe data (with BeO and B2O3 calculated to give 5.00 Be and 11.00
B, respectively): Li2O 0.04, Na2O 0.11, K2O 2.21, Cs2O 8.37, Rb2O 1.04, BeO (15.49),
MgO n.d., CaO 0.14, MnO 0.05, B2O3 (47.39), Al2O3 25.10, Fe2O3 0.06, SiO2 0.07,
Total (100.07) wt.%. Empirical formula: (Cs0.48K0.38Rb0.09Na0.03Ca0.02Mn0.01)1.01(Al3.97Li0.02Fe0.01)4.00Be4.00 [(B10.99Si0.01)11.00Be1.00]12.00O28.00. Relationship to otherspecies: It is the Cs-dominant analogue of rhodizite, (K,Cs)Al4Be4(B,Be)12O28.
Name: After David London (b. 1953), Professor of Geology and Geophysics at the Universityof Oklahoma.
Comments: IMA No. 1999–014.
SIMMONS, W.B., PEZZOTTA, F., FALSTER, A.U. & WEBBER, K.L. (2001): Londonite, a new mineral
species: the Cs-dominant analogue of rhodizite from the Antandrokomby granitic
pegmatite, Madagascar. Canadian Mineralogist 39, 747-755.

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THE CANADIAN MINERALOGIST

Lulzacite
Sr2Fe2+(Fe2+,Mg)2Al4(PO4)4(OH)10T RICLINIC

Locality: A quartzite quarry near Saint-Aubin-des-Châteaux, about 8 km west of Châteaubriant,
Loire-Atlantique, France.
Occurrence: In veinlets at the contact between quartzite and pyrite-rich limestone. Associatedminerals are: goyazite, “apatite”, siderite, quartz, calcite, marcasite, pyrrhotite andpyrite.
General appearance: Anhedral aggregates (up to several cm long); rarely as pseudopyramidal
euhedral crystals (up to 4 mm).
Physical, chemical and crystallographic properties: Luster: probably vitreous. Diaphaneity: transparent to translucent. Color: dark grayish green to yellowish green. Streak: not given.
Luminescence: nonfluorescent. Hardness: 5½ to 6. Tenacity: not given. Cleavage: notgiven. Fracture: not given. Density: 3.55 g/cm3 (meas.), 3.56 g/cm3 (calc.). Crystallography: Triclinic, P1̄, a 5.457, b 9.131, c 9.769 Å,  108.47° ,  91.72° ,  97.44° , V
465.5 Å3, Z = 1, a:b:c = 0.5976:1:1.0699. Morphology: No forms were mentioned.
Twinning: none mentioned. X-ray powder-diffraction data: 4.47(41)(021̄), 3.591(50)(111), 3.218(100)(12̄2), 3.132(62)(120), 3.016(56)(122̄), 2.878(42)(032̄), 2.8119(58)(113̄), 2.6526(44)(13̄2), 2.6635(43)(013). Optical data: Biaxial (–),  1.654,
 1.674,  1.684, 2V(meas.) 45° to 65° , 2V(calc.) 70° , dispersion r < v, distinct; pleochroism distinct from brown-yellow to pale blue-violet; orientation not given. Chemical analytical data: Mean of fifteen sets of electron-microprobe data: MgO 2.97, SrO
21.79, BaO 1.20, FeO 16.13, MgO 2.97, Al2O3 19.16, P2O5 28.50, V2O5 0.64, H2O
10.29, Total 100.68 wt.%. Empirical formula: (Sr2.05Ba0.08)2.13Fe2+1.00(Fe 2+1.18
Mg0.71)1.89Al3.66[(PO4)3.91(VO4)0.07]3.98(OH)11.11. The ideal formula requires: MgO
3.31, FeO 16.20, SrO 21.25, Al2O3 20.91, P2O5 29.09, H2O 9.24, Total 100.00 wt.%.
Relationship to other species: It is isotypic with jamesite, whose revised formula isPb2ZnFe3+2(Fe3+2.8Zn1.2)(AsO4)4(OH)8[(OH)1.2O0.8].
Name: After Y. Lulzac (b. 1934), mining geologist of the BRGM, who discovered the mineral.
Comments: IMA No. 1998–039. Note that the crystal structure has been solved and published.
MOËLO, Y., LASNIER, B., PALVADEAU, P., LÉONE, P. & FONTAN, F. (2000): La lulzacite, Sr2Fe2+(Fe2+,
Mg)2Al4(PO4) 4(OH)10, un nouveau phosphate de strontium (Saint-Aubin-desChâteaux, Loire-Atlantique, France). Comptes Rendus, Académie des Sciences de la terreset des planètes 330, 317-324.
L ÉONE , P., P ALVADEAU , P. & M OËLO , Y. (2000): Structure cristalline d’un nouvelhydroxyphosphate naturel de strontium, fer et aluminium (lulzacite), Sr2Fe(Fe0.63
Mg0.37)2Al4(PO4)4(OH)10. Comptes Rendus de l’Académie des Sciences de Paris, Série IIc
3, 301-308.

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NEW MINERALS

Nickellotharmeyerite
Ca(Ni,Fe3+)2(AsO4)2(H2O,OH)2
M ONOCLINIC

Locality: The Pucher shaft, Schneeberg–Neustädtel, Saxony, Germany.
Occurrence: Found in the oxidation zone of the deposit, associated with quartz on the typespecimen. Associated minerals on other samples are: lukrahnite, Ni- and Co-bearing
ferrilotharmeyerite, mawbyite, arseniosiderite, zeunerite and barium-pharmacosiderite.
General appearance: Tiny aggregates (up to 0.5 mm) and crusts grown in small cavities; single
crystals are usually less than 50 m across.
Physical, chemical and crystallographic properties: Luster: subadamantine. Diaphaneity: transparent. Color: brown to yellow. Streak: light brown to yellow. Luminescence:
nonfluorescent. Hardness: VHN25 500 kg/mm2, Mohs 4½. Tenacity: brittle. Cleavage:
none observed. Fracture: conchoidal. Density: could not be measured, 4.45 g/cm3(calc.). Crystallography: Monoclinic, C2/m, a 9.005, b 6.205, c 7.411 Å,  115.31° , V
374.4 Å3, Z = 2, a:b:c = 1.4512:1:1.1944. Morphology: no forms were mentioned.
Twinning: none mentioned. X-ray powder-diffraction data: 3.393(55)(20 2̄),
3.182(76)(11 2̄), 2.962(100)(201), 2.816(66)(021), 2.703(66)(31 1̄), 2.538(75)(222̄), 1.697(53)(331̄,420,511̄,404̄). Optical data: Biaxial (+),  1.80 (calc.),  1.81,
 1.87, 2V(meas.) 40° , dispersion not determined; pleochroism strong, X yellow, Y
brown, Z pale yellow; X ≈ c, Y = b, Z ⵩ a ≈ 25° in obtuse angle . Chemical analytical
data: Mean of eleven sets of electron-microprobe data: CaO 9.29, NiO 12.86, CoO
3.83, CuO 0.11, ZnO 0.62, PbO 0.90, Al2O3 <0.05, Fe2O3 12.88, Bi2O3 8.56, P2O5
0.23, V2O5 <0.05, As2O5 45.32, SO3 0.12, H2O (5.35), Total (100.07) wt.%. Empirical formula: (Ca 0.83 Bi 0.18 ) 1.01 (Ni 0.86 Fe 3+ 0.81 Co 0.26 Zn 0.04 Pb 0.02 Cu 0.01 ) 2.00[(AsO4)1.98(PO4)0.02(SO4)0.01]2.01[(H2O)1.00(OH)0.99]1.99. Relationship to other species: It is a member of the tsumcorite group, specifically, the nickel-dominant analogue of lotharmeyerite.
Name: After the relationship with lotharmeyerite.
Comments: IMA No. 1999–008.
KRAUSE, W., BERNHARDT, H.-J., EFFENBERGER, H. & MARTIN, M. (2001): Cobalttsumcorite andnickellotharmeyerite, two new minerals from Schneeberg, Germany: description andcrystal structure. Neues Jahrbuch für Mineralogie, Monatshefte, 558-576.

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THE CANADIAN MINERALOGIST

Obertiite
NaNa2(Mg3Fe3+Ti4+)Si8O22O2
M ONOCLINIC

Locality: The Bellerberg quarry, Laacher See district, Eifel region, Germany.
Occurrence: In cavities in basaltic flows. Associated minerals are: tridymite, fluororichterite,
hematite, rutile, aegirine-augite, kinoshitalite and fluorapatite.
General appearance: Elongate blades (up to 1040

200 m) and divergent aggregates.

Physical, chemical and crystallographic properties: Luster: vitreous. Diaphaneity: presumablytransparent to translucent. Color: pale pink. Streak: white. Luminescence: nonfluorescent. Hardness: 5. Tenacity: brittle. Cleavage: {110} perfect. Fracture: conchoidal.
Density: could not be measured, 3.17 g/cm3 (calc.). Crystallography: Monoclinic, C2/m,
a 9.776, b 17.919, c 5.292 Å,  104.05° , V 899.3 Å3, Z = 2, a:b:c = 0.5456:1:0.2953.
Morphology: no forms were mentioned. Twinning: none mentioned. X-ray powderdiffraction data: 8.414(10)(110), 4.467(5)(040), 3.39(6)(131), 3.117(5)(310),
2.705(7)(331,151), 2.531(5)(202). Optical data: Biaxial (–),  1.643,  1.657, 
1.670, 2V(meas.) 81° , 2V(calc.) 87° (given as 93° ); dispersion not visible; pleochroism slight in shades of pink to red-orange, absorption X ≈ Y ≈ Z; X ⵩ a = 2° (in obtuse
angle ), Y ⵩ c = 12° (in obtuse angle ), Z = b. Chemical analytical data: Mean of ten
sets of electron-microprobe data: Li2O 0.05, Na2O 9.51, K2O 0.98, MgO 14.13, CaO
0.52, FeO 3.36, ZnO 0.08, Al2O3 0.15, Mn2O3 3.27, Fe2O3 2.61, SiO2 54.53, TiO2
7.75, H2O 0.20, F 0.55, sum 97.69, less O = F 0.23, Total 97.46 wt.%. The Mn3+:Mn2+
and Fe3+:Fe2+ ratios are not known, so calculations were carried out expressing all
manganese as Mn3+ and also as Mn2+. Fe3+ and Fe2+ were adjusted for each of theseassumed valence states of manganese, and the site occupancies are based on the
crystal-structure refinement. The empirical formula derived in this manner is: (Na0.82
K0.18)1.00(Na1.84Ca0.08Fe2+0.06)1.98(Mg3.09Ti0.86Mn3+0.37Fe2+0.35Fe3+0.30Al0.03)5.00Si8.00
O22.00[O1.54F0.26(OH)0.20]2.00. Relationship to other species: It is the second anhydrous
member of the amphibole group; the first is ungarettiite.
Name: After Roberta Oberti (b. 1951), Pavia, Italy, for her contributions to the understandingof the crystal chemistry of the amphibole group.
Comments: IMA No. 1998–046.
HAWTHORNE, F.C., COOPER, M.A., GRICE, J.D. & OTTOLINI, L. (2000): A new anhydrous amphibole from the Eifel region, Germany: description and crystal structure of obertiite,
NaNa2(Mg3Fe3+Ti4+)Si8O22O2. American Mineralogist 85, 236-241.

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NEW MINERALS

Orthojoaquinite-(La)Ba2NaLa2Fe2+Ti2Si8O26(O,OH)•H2O
O RTHORHOMBIC

Locality: The Ilímaussaq alkaline complex, on the right bank of the Narsaq River, at the footof Kvansfjeld Mountain, south Greenland.
Occurrence: In the intermediate zone of nepheline syenite pegmatites. Associated minerals
are: riebeckite, analcime, sodalite and steenstrupine-(Ce).
General appearance: Banded gneissic masses (up to 4
mm long.

31 cm) consisting of bent flakes 1

Physical, chemical and crystallographic properties: Luster: silky. Diaphaneity: transparent. Color:brown. Streak: unknown. Luminescence: not reported. Hardness: VHN 350–430 kg/
mm2, Mohs about 5. Tenacity: unknown, probably brittle. Cleavage: {001} good. Fracture: not given. Density: 4.1 g/cm3 (meas.), 4.14 g/cm3 (calc.). Crystallography: Orthorhombic, Ccmm, a 10.539, b 9.680, c 22.345 Å, V 2280 Å 3 , Z = 4, a:b:c =1.0887:1:2.3084. Morphology: no forms were mentioned. Twinning: none mentioned. X-ray powder-diffraction data: 5.58(67.5)(004), 3.00(8.8)(224), 2.95(17.0)(206), 2.91(10.5)(117), 2.80(100)(313,008,225), 2.232(7.5)(0.0.10), 1.596(12.8)(0.0.14,602). Optical data: Biaxial (+),  1.754,  1.760,  1.797, 2V(meas.) 40° ,2V(calc.) 45° ; dispersion not given; pleochroism strong, Z > X; orientation, Z = c.
Chemical analytical data: A wet-chemical analysis gave: Na2O 2.41, K2O 0.22, CaO(+ SrO) 0.03, MnO 0.70, FeO 4.78, BaO 21.46, Fe2O3 0.39, La2O3 10.05, Ce2O3 9.40,
Pr2O3 0.99, Nd2O3 2.15, SiO2 33.82, TiO2 9.20, ThO2 0.38, Nb2O5 2.31, H2O 1.50, F
0.38, sum 100.17, less O = F 0.16, Total 100.01 wt.%. Empirical formula:(Ba1.99Ca0.01)2.00 (Na1.11K0.07)1.18(La0.88Ce0.81Nd0.18Pr0.09)1.96(Fe2+0.95Mn0.14)1.09(Ti1.64Nb0.25Fe3+0.07Th0.02)1.98Si8.01O26.00[(OH)0.37O0.35F0.28]1.00•1.00H2O. Relationship to other species: A member of the joaquinite group.
Name: After the relationship to other members of the joaquinite group.
Comments: IMA No. 00–D.
MATSUBARA, S., MANDARINO, J.A. & SEMENOV, E.I. (2001): Redefinition of a mineral in thejoaquinite group: orthojoaquinite-(La). Canadian Mineralogist 39, 757-760.

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THE CANADIAN MINERALOGIST

Orthominasragrite
V4+O(SO4)(H2O)5O RTHORHOMBIC

Locality: The North Mesa mine group (west ½, southwest ¼ of section 35, Township 24 South,
Range 11 East), Temple Mountain mining district, Emery County, Utah, U.S.A.
Occurrence: In a silicified tree, approximately 46 cm wide by 30 cm high by an undetermined
length. Associated minerals are: pyrite, “various iron sulfates”, sulfur, minasragrite andan as-yet undescribed vanadium sulfate.
General appearance: Rounded aggregates (up to 200 m across).
Physical, chemical and crystallographic properties: Luster: vitreous. Diaphaneity: not mentioned.
Color: pale blue to bright blue. Streak: pale blue. Luminescence: nonfluorescent. Hardness: approximately 1. Tenacity: not mentioned. Cleavage: none observed. Fracture: notmentioned. Density: could not be measured, 2.00 g/cm3 (calc.). Crystallography:
Orthorhombic, Pmn21, a 7.246, b 9.333, c 6.210 Å, V 420.0 Å3, Z = 2, a:b:c =0.7764:1:0.6654. Morphology: no forms were mentioned. Twinning: none mentioned. X-ray powder-diffraction data: 4.699(100B)(101), 3.734(20)(021),
3.622(20)(200), 3.322(50)(121), 3.108(20)(002), 2.865(40)(220), 2.602(30)(221),
2.363(20)(230,202), 2.030(20)(321). Optical data: Biaxial (–),  1.529,  1.534, 
1.534, 2V(meas.) +2° , 2V(calc.) 0° ; dispersion not mentioned; nonpleochroic; orientation: X = b, Y = c, Z = a. Chemical analytical data: Electron-microprobe data (with
H2O calculated to give 5 H2O): VO2 33.88, SO3 31.97, H2O (36.30), Total (102.15)
wt.%. Empirical formula: V1.01O1.04(SO4)0.99•5.00H2O. Relationship to other species:
It is the orthorhombic polymorph of V4+O(SO4)(H2O)5, minasragrite being monoclinic.
Name: After the relationship with minasragrite.
Comments: IMA No. 2000–018.
HAWTHORNE, F.C., SCHINDLER, M., GRICE, J.D. & HAYNES, P. (2001): Orthominasragrite,
V4+O(SO4)(H2O)5, a new mineral species from Temple Mountain, Emery County,
Utah, U.S.A. Canadian Mineralogist 39, 1325-1331.

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NEW MINERALS

Oswaldpeetersite(UO2)2CO3(OH)2•4H2O
M ONOCLINIC

Locality: The Jomac uranium mine, Brown’s Rim, San Juan County, Utah, U.S.A.
Occurrence: In the Tertiary Shinarump conglomerate, which is rich in organic material such as
black coal-bearing smears and logs of partially petrified wood. Associated minerals
are: gypsum, cuprite, antlerite, goethite, lepidocrocite, mbobomkulite, hydrombobomkulite, sklodowskite and two undefined uranium minerals.
General appearance: Micrometric prismatic crystals (approximately 0.1
arranged in radiating groups.

0.01

0.002 mm)

Physical, chemical and crystallographic properties: Luster: vitreous. Diaphaneity: transparent.
Color: canary yellow. Streak: pale yellow. Luminescence: nonfluorescent. Hardness: between 2 and 3. Tenacity: weak. Cleavage: parallel to the elongation. Fracture: uneven.
Density: greater than 4.10 g/cm3 (meas.), 4.55 g/cm3 (calc.). Crystallography: Monoclinic, P21/c, a 4.1425, b 14.098, c 18.374 Å,  103.62° , V 1042.8 Å3, Z = 4, a:b:c =0.2938:1:1.3033. Morphology: {100}, {010}, {001}, acicular and heavily striatedparallel to the length. Twinning: none mentioned. X-ray powder-diffraction data:
8.95(65)(002), 7.54(63)(012), 4.55(96)(031), 4.26(60)(014), 3.46(62)(015),
3.32(100)(1̄14), 3.029(85)(043), 2.273(62)(062). Optical data: Biaxial (–),  1.583,
 1.669,  1.712, 2V not measured, 2V(calc.) 67° ; dispersion not observed; pleochroism: X and Y very pale yellow to colorless, Z pale yellow; Z ≈ a, elongation is positive.
Chemical analytical data: Mean of ten sets of electron-microprobe data: UO3 81.47,
H2O 12.30 (by TGA), CO2 (6.23) (by difference), Total (100.00) wt.%. Empiricalformula: (UO2)2.03(CO3)1.01(OH)2.04•3.85H2O. Relationship to other species: Noneapparent.
Name: After Maurice Oswald Peeters (b. 1945), structural crystallographer at the University of
Leuven, Belgium, and researcher in the field of uranium mineralogy.
Comments: IMA No. 2000–034. The mineral was discovered by Patrick Haynes of Cortez,
Colorado, U.S.A.
VOCHTEN, R., DELIENS, M. & MEDENBACH, O. (2001): Oswaldpeetersite, (UO2)2CO3(OH)2•
4H2O, a new basic uranyl carbonate mineral from the Jomac uranium mine, San JuanCounty, Utah, U.S.A. Canadian Mineralogist 39, 1685-1689.

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THE CANADIAN MINERALOGIST

PararsenolampriteAs
O RTHORHOMBIC

Locality: The dump of the Mukuno mine (Lat. 33° 28'47"N, Long. 131° 26'15"E), Yamagocho, Oita Prefecture, Kyushu, Japan.
Occurrence: In a hydrothermal Sb–As–Ag–Au ore deposit. Associated minerals are: arsenic,
stibnite and quartz. Other minerals in the deposit are: pyrite, miargyrite, argentian
tetrahedrite, gold, löllingite, claudetite and kankite.
General appearance: Radial or parallel aggregates of bladed crystals (up to 0.8 mm long).
Physical, chemical and crystallographic properties: Luster: metallic. Diaphaneity: opaque. Color:
lead gray. Streak: black. Hardness: VHN25 66 to 91 kg/mm2, Mohs 2 to 2½. Tenacity:
sectile and brittle. Cleavage: {001} perfect. Fracture: not mentioned. Density: 5.88 g/
cm3 (meas.), 5.99 g/cm3 (calc.). Crystallography: Orthorhombic, Pmn21 or P21nm, a3.663, b 10.196, c 10.314 Å, V 382.1 Å3, Z = 18, a:b:c = 0.3563:1:1.0116. Morphology:{001}, elongate on [100] and flattened on {001}. Twinning: none mentioned. X-ray
powder-diffraction data: 5.17(100)(002), 4.60(24)(012), 3.259(58)(013),
2.840(27)(032), 2.580(22)(004), 2.299(23)(024), 1.794(26)(105). Optical data: In
reflected light: white with a slightly greenish blue tint, strong anisotropism (darkbrown, greenish gray), distinct bireflectance (cream parallel to elongation and brown,
gray, green perpendicular to elongation). R1, R2; imR1, imR2: (49.0, 44.0; 33.6, 29.3%)
470 nm, (47.0, 42.1; 31.5, 28.0%) 546 nm, (44.8, 39.9; 29.7, 26.9%) 589 nm, (44.9,
40.3; 29.2, 26.0%) 650 nm. Chemical analytical data: Mean of eight sets of electronmicroprobe data: As 91.89, Sb 7.25, S 0.48, Total 99.62 wt.%. Empirical formula:(As0.94Sb0.05S0.01)1.00. Relationship to other species: It is the third polymorph of As;
the others are arsenic (trigonal) and arsenolamprite (orthorhombic).
Name: After the relationship with arsenolamprite.
Comments: IMA No. 1999–047.
MATSUBARA, S., MIYAWAKI, R., SHIMIZU, M. & YAMANAKA, T. (2001): Pararsenolamprite, a newpolymorph of native As from the Mukuno mine, Oita Prefecture, Japan. Mineralogical
Magazine 65, 807-812.

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NEW MINERALS

Remondite-(La)
Na3(La,Ce,Ca)3(CO3)5
M ONOCLINIC

Locality: Koashva Mountain, Khibina alkaline massif, Kola Peninsula, Russia.
Occurrence: In the aegirine core of a small hyperagpaitic pegmatite. Associated minerals are:cancrisilite, microcline, sodalite, villiaumite, natrolite, pectolite, lomonosovite,
barytolamprophyllite, catapleiite, natron, thermonatrite, sazykinaite-(Y), “Nb-rinkite”,
vitusite-(Ce) and fluorcaphite.
General appearance: Rough prismatic segregations (up to 2
(up to 5 m) irregular grains.

0.8

0.5 mm) made up of tiny

Physical, chemical and crystallographic properties: Luster: vitreous. Diaphaneity: translucent.
Color: bright orange yellow. Streak: white. Luminescence: nonfluorescent. Hardness: ~3.
Tenacity: brittle. Cleavage: none. Fracture: conchoidal. Density: 3.5 g/cm3 (meas.), 3.56
g/cm3 (calc.). Crystallography: Monoclinic, P21 (?), a 10.49, b 6.417, c 10.50 Å, 
119.8° , V 613 Å3, Z = 2, a:b:c = 1.6347:1:1.6363. Morphology: no forms were observed. Twinning: none observed. X-ray powder-diffraction data: 5.28(5)(101,011,
201̄,110), 3.70(7)(012), 3.036(9)(211,311̄), 2.740(5)(310,121), 2.623(10)(204̄,022,
402̄,220), 2.143(8)(014,410), 2.041(6)(222), 1.985(5)(401,215̄), 1.939(6)(032,230). Optical data: Biaxial (–),  1.615,  1.619,  1.622, 2V(meas.) 80° , 2V(calc.)
82° ; dispersion not observed; nonpleochroic; orientation not given. Chemical analytical data: Mean of eleven sets of electron-microprobe data: Na2O 15.48, K2O 0.58,
CaO 5.13, SrO 2.93, BaO 0.18, La2O3 19.75, Ce2O3 16.67, Pr2O3 0.99, Nd2O3 2.27,
Sm 2 O 3 0.37, CO 2 32.97, ThO 2 1.34, Total 98.66 wt.%. Empirical formula:
Na3.00(La0.81Ce0.68Ca0.61Na0.33Sr0.19Nd0.09K0.08Pr0.04Th0.03Sm0.01Ba0.01)2.88(CO3)4.99.
Relationship to other species: The La-dominant analogue of remondite-(Ce).
Name: After the relationship with remondite-(Ce).
Comments: IMA No. 1999–006. The subscripts derived here for the empirical formula aresomewhat different to those given in the paper.
PEKOV, I.V., CHUKANOV, N.V., KONONKOVA, N.N., ZADOV, A.E. & BELOVITSKAYA, YU.V. (2000):
Remondite-(La), Na3(La,Ce,Ca)3(CO3)5 – a new mineral of the burbankite family
from the Khibina Massif, Kola Peninsula. Zapiski Vserossiyskogo Mineralogicheskogo
Obshchestva 129(1), 53-60 (in Russ.).

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THE CANADIAN MINERALOGIST

Theoparacelsite
Cu3(OH)2As2O7O RTHORHOMBIC

Locality: The old copper mines of Roua (North and South group) in the upper part of the Varvalley (the Daluis gorge) at the western margin of the Barrot dome, Alpes-Maritimes
area, about 50 km from Nice, France.
Occurrence: Associated minerals are: dolomite, calcite, aragonite, copper, cuprite, domeykite,algodonite, koutekite, gold, silver, olivenite, cornubite, clinotyrolite, connellite,
brochantite, malachite, trippkeite, pharmacosiderite, strashimirite and gilmarite.
General appearance: Aggregates in cuprite cavities 1 mm in diameter. The aggregates consist of
crystals (up to 0.2 0.1 0.05 mm), rectangular elongate crystals (up to 90 10
5 m), perfect rectangular crystals (10 7 2 m), equidimensional crystals (~20m), pseudomorphs after thin acicular crystals of olivenite and also as powder.
Physical, chemical and crystallographic properties: Luster: vitreous to adamantine. Diaphaneity:translucent. Color: dark pistachio green. Streak: yellowish green. Luminescence:
nonfluorescent. Hardness: could not be measured. Tenacity: brittle. Cleavage: {001}perfect. Fracture: conchoidal. Density: could not be measured, 4.73 g/cm3 (calc.). Crystallography: Orthorhombic, Pmma, a 8.3212, b 2.9377, c 4.6644 Å, V 114.02 Å3, Z =2/3, a:b:c = 2.8326:1:1.5878. Morphology: {001}, {010}, {100}, {110} and {101}.
Twinning: none. X-ray powder-diffraction data: 4.065(15)(101), 3.104(100)(201),2.486(70)(011), 2.400(25)(210), 2.330(15)(002), 1.672(30)(212), 1.596(25)(411),
1.330(25)(601,221). Optical data: Biaxial (+),  1.81,  1.82,  1.86, 2V(meas.) 57° ,2V(calc.) 54° ; dispersion r > v, moderate; pleochroism X light olive green, Y olive
green, Z dark pistachio green; orientation, X = a, Y = c, Z = b. Chemical analytical data:
Mean of five sets of electron-microprobe data (with H2O by difference): CuO 48.77,
As2O5 47.68, H2O (3.55), Total (100.00) wt.%. Empirical formula: Cu2.99(OH)1.92
As2.02O7.08. Relationship to other species: None apparent.
Name: After Philippus Aureolus Bombastus von Hohenheim (1493–1541), called Paracelse,
which is a Greco-Roman translation of Hohenheim meaning “close to the sky”.
Paracelse was an important physician, chemist, alchemist and doctor who also worked
in mineralogy (De Mineralibus, De Elemento Aquae & Fructibus eius). He is known in
toxicology for having said “All is poison, nothing is poison, it is the dosage whichmakes the poison”.
Comments: IMA No. 1998–012.
SARP, H. & ČERN Ý, R. (2001): Theoparacelsite, Cu3(OH)2As2O7, a new mineral: its description
and crystal structure. Archives des Sciences de Genève 54(1), 7-14.

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NEW MINERALS

Tumchaite
Na2(Zr,Sn)Si4O11•2H2O
M ONOCLINIC

Locality: The Vuoriyarvi massif on the north shore of Vuoriyarvi Lake, northern Karelia,
Murmansk region, Russia.
Occurrence: In a sample from a borehole that crosscuts veined dolomite–calcite carbonatites.
Associated minerals are: calcite, dolomite, a serpentine-group mineral and pyrite.
General appearance: Tabular crystals (up to 0.2

1.2

2.5 mm).

Physical, chemical and crystallographic properties: Luster: vitreous. Diaphaneity: transparent totranslucent. Color: colorless to white. Streak: white. Luminescence: nonfluorescent.
Hardness: VHN40 410 kg/mm2, Mohs close to 4½. Tenacity: very brittle. Cleavage: {100}perfect. Fracture: uneven. Density: 2.78 g/cm3 (meas.), 2.77 g/cm3 (calc.). Crystallography: Monoclinic, P21/c, a 9.144, b 8.818, c 7.537 Å,  113.22° , V 558.49 Å3, Z = 2,
a:b:c = 1.0370:1:0.8547. Morphology: {100}, {h0l}, {hkl}; tabular on {100} andelongate along [001]. Twinning: on {100}. X-ray powder-diffraction data:
8.40(10)(100), 5.38(9)(11 1̄), 4.00(8)(111), 3.401(9)(20 2̄), 2.902(9)(211),
2.772(7)(302̄), 2.691(9)(131̄), 2.190(7)(313̄, 411̄). Optical data: Biaxial (–),  1.570,
 1.588,  1.594, 2V(meas.) 60° , 2V(calc.) 59° ; pleochroism X greenish gray, Y = Z
colorless; Y = b, Z ⵩ c = 3° . Chemical analytical data: Six crystals were analyzed byelectron microprobe (6 to 10 analyses per crystal). The data from one crystal are: Na2O
13.72, CaO 0.15, MnO <0.02, FeO <0.02, Y2O3 <0.1, SiO2 52.71, TiO2 0.35, ZrO2
20.41, SnO2 5.73, HfO2 0.60, Nb2O5 <0.05, H2O (7.86), Total (101.53) wt.%. The
amount of H2O was calculated to give 2(H2O). Empirical formula: (Na2.03Ca0.01)2.04(Zr 0.76Sn 0.17Ti0.02Hf 0.01)0.96Si4.02O11.00•2.00H2O. Relationship to other species:
Isostructural with penkvilksite-1M and chemically related to vlasovite.
Name: After the Tumcha River, near the Vuoriyarvi massif.
Comments: IMA No. 1999–041.
SUBBOTIN, V.V., MERLINO, S., PUSHCHAROVSKY, D.YU., PAKHOMOVSKY , YA.A., FERRO , O.,
BOGDANOVA, A.N., VOLOSHIN, A.V., SOROKHTINA, N.V. & ZUBKOVA, N.V. (2000):
Tumchaite Na 2(Zr,Sn)Si4O 11•2H 2O – a new mineral from carbonatites of the
Vuoriyarvi alkali-ultrabasic massif, Murmansk region, Russia. American Mineralogist
85, 1516-1520.

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1020

THE CANADIAN MINERALOGIST

Zaccagnaite
Zn4Al2(OH)12(CO3)•3H2O
H EXAGONAL

Locality: Calagio quarry, Colonnata valley, Carrara basin, Apuan Alps, northern Tuscany, Italy.
Occurrence: In cavities in calcite veins in the famous Carrara marble. Associated minerals are:hydrozincite and fraipontite. It formed as a product of the alteration of sphalerite byreaction with aluminum-rich hydrothermal fluids.
General appearance: Minute hexagonal crystals less than 0.2 mm long and 0.02 to 0.03 mm
thick. These are covered by a thin crust of fraipontite and resemble so-called “Brugola”
screws (i.e., set-screws).
Physical, chemical and crystallographic properties: Luster: subvitreous. Diaphaneity: transparent
to translucent. Color: white. Streak: white. Luminescence: not given. Hardness: not given.
Tenacity: not given. Cleavage: {001} perfect. Fracture: not given. Density: could not bemeasured, 2.84 g/cm3 (calc.). Crystallography: Hexagonal, P63/mmc, a 3.0725, c 15.114
Å, V 123.62 Å3, Z = ⅓, c:a = 4.9191. Morphology: no forms were mentioned, but{001} and {100} probably are present. Twinning: none mentioned. X-ray powderdiffraction data: 7.51(vs)(002), 3.794(m)(004), 2.65(w)(100), 2.511(mw)(102),
2.175(mw)(104), 1.890(w)(008), 1.830(mw)(106), 1.542(ms)(108), 1.539(ms)(110). Optical data: could not be determined because of the small size, the fragility
and the coatings on the crystals. Chemical analytical data: Mean of four sets of electron-microprobe data: CuO 0.24, ZnO 56.01, Al2O3 18.44, SiO2 0.09, Total 74.78
wt.%. Here, 28.63 wt.% H2O and 7.85 wt.% CO2 were added to give 9(H2O) and1(CO3); this raises the analytical total to 111.12 wt.%. Recalculation to give 100.00
wt.% (and ignoring SiO2) gives: CuO 0.22, ZnO 50.40, Al2O3 16.59, CO2 (7.02), H2O(25.76), Total (100.00) wt.%. Empirical formula: (Zn3.90Cu0.02)3.92 Al2.05(OH)11.99(CO3)1.00•3.00H2O. Relationship to other species: It is a member of the hydrotalcitegroup.
Name: After the late scholar Domenico Zaccagna (1851–1940), who was born in Carrara anddied in Rome. He published the first geological map of the Apuan Alps and was acompetent collector of minerals from the Carrara marble. His collection is preservedin Museo di Storia Naturale e del Territorio at the University of Pisa.
Comments: IMA No. 1997–019. Because of the very small size of the crystals, many of theusual physical properties could not be determined. Prof. Merlino kindly supplied
additional data. The crystal structure was determined.
MERLINO, S. & ORLANDI, P. (2001): Carraraite and zaccagnaite, two new minerals from theCarrara marble quarries: their chemical compositions, physical properties, and structural features. American Mineralogist 86, 1293-1301.

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RUSSIAN ACADEMY OF SCIENCES

Volume 131

Number 1

2002

Statistics on the symmetry of tetragonal minerals
V.V. DOLIVO-DOBROVOLSKY
Precious metals in rocks and ores from intrusive complexesof the Kola Peninsula B.V. GAVRILENKO, E.M. BUKUSHKIN, E.G. BALAGANSKAYA, A.A. EFIMOV,
A.U. KORCHAGIN, V.I. SKIBA, A.K. SHPACHENKO & T.L. GROKHOVSKAYA
Geological-petrological characteristic of melilite-bearing rocksof Turiy Cape (Kola Peninsula)
V.A. VASILIEVA & M.D. EVDOKIMOVNew Minerals
Organovaite-Zn, K2Zn(Nb,Ti)4(Si4O12)2(O,OH)4•6H2O, a new mineralof the labuntsovite group
I.V. PEKOV, N.V. CHUKANOV, A.E. ZADOV, S.V. KRIVOVICHEV,
YU.V. AZAROVA, P.C. BURNS & J. SCHNEIDER
Minerals and Mineral Parageneses
Diamond-associated minerals in the Middle Paleozoic conglomerate-breccia(Luga river basin)
M.YU. LADYGINA & A.P. NESTEROVOn discovery of diamonds in the Msta river, middle stream(Novgorodsky region)
E.G. PANOVA & A.P. KAZAKMineral associations in rocks of the Lillebukt syenite–carbonatite intrusion(northern Norway) as indicators of its conditions of formation
A.A. ARZAMASTSEV, L.V. ARZAMASTSEVA & S.V. KUZMIN
Trends in composition of pyroxenes in ultramafic, mafic, alkaline rocks
and carbonatites and their typochemical significanceE.A. BAGDASAROVRegularities of REE partitioning in garnets
F.P. LESNOVAlluaivite and genetic aspect of the formation of Ti-enriched eudialytein the Khibina massif
O.A. AGEEVA, B.YE. BORUTZKY, N.V. CHUKANOV & M.N. SOKOLOVA
Experimental Mineralogy
Influence of silicates upon the growth of synthetic
diamond crystals
A.A. CHEPUROV, V.M. SONIN & A.I. CHEPUROVFormation of diamond crystals with faces protruding
due to etching
E.I. ZHIMULEV, V.M. SONIN & A.I. CHEPUROV
Investigation Techniques for Minerals, Rocks and Ores
Mineralogical mapping of ore-bearing areas: goals, techniques, applied effectiveness, completion.
2. Mineralogical mapping
in its ontogenetic aspect
A.G. ZHABIN, I.Z. ISAKOVICH & V.B. CHEKVAIDZE
Microprobe method to investigate the type of chemical bonding of Cu atoms in minerals.
I. Binary compounds
I.M. KULIKOVA, R.L. BARINSKY & I.V. PEKOV
Chronicles
Annual conference “Mineralogy – the basis of comprehensive ore processing”, and sessionof the Scientific Council of the Russian Mineralogical Society
T.A. KARYAKINA* This page presents the table of contents of a recent issue of

3

9
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47
64
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99

107
111

114
121

126

ISSN 0869-6055
Zap. Vser. Mineral. Obshchest.
Except where indicated, the articles are published in Russian. Subscription: vmo@mineral.ras.spb.ru

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Mineralogical Association of Canada

2002

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