yttrofluorites
plural of yttrofluorite

yttrogummite
An yttrium-bearing variety of gummite.

yttropyrochlore
A discredited pyrochlore mineral containing niobium, hydrogen, and oxygen.

yttrotantalite
A brown or black tantalate of uranium, yttrium, and calcium.

yttrotantalites
plural of yttrotantalite

yttrotitanite
A brownish-black variety of titanite.

yttrotitanites
plural of yttrotitanite

yttrotungstite
A rare mineral consisting of calcium, yttrium, magnesium, aluminium, iron, silicon, hydrogen and tungsten.

yuanfuliite
An orthorhombic-dipyramidal black mineral containing aluminum, boron, iron, magnesium, oxygen, and titanium.

yuanjiangite
A hexagonal-dihexagonal dipyramidal silver white mineral containing gold and tin.

yugawaralite
A monoclinic-domatic mineral containing aluminum, calcium, hydrogen, oxygen, and silicon.

yushkinite
A trigonal-ditrigonal pyramidal mineral containing aluminum, hydrogen, magnesium, oxygen, sulfur, and vanadium.

yvonite
A turquoise-blue mineral containing copper, arsenic, hydrogen, and oxygen.

zaccariniite
A grey tetragonal mineral containing rhodium, nickel, and astatine.

zadovite
A colourless trigonal mineral containing barium, calcium, flourine, oxygen, phosphorus and silicon.

zagamiite
A mineral of previously unknown structure containing aluminium, silicon, calcium, and oxygen.

zairite
A trigonal-hexagonal scalenohedral mineral containing aluminum, bismuth, hydrogen, iron, oxygen, and phosphorus.

zamboninite
A discredited mineral species, a mixture of fluorite and sellaite.

zangboite
A grey orthorhombic mineral containing silicon, titanium, and iron.

zapatalite
A tetragonal light blue mineral containing aluminum, copper, hydrogen, oxygen, and phosphorus.

zavaritskite
A soft bismuth-oxygen-fluorine mineral.

zeagonite
Obsolete name for a supposed mineral, later reclassified as a mixture of phillipsite with gismondine or levynite.

zeilanite
candite

zektzerite
A mineral of agpaitic granites.

zellerite
A soft mineral containing calcium and uranium.

zemannite
A hexagonal-dipyramidal mineral containing hydrogen, iron, magnesium, oxygen, tellurium, and zinc.

zemkorite
A soft hexagonal mineral containing potassium, sodium, calcium, carbon, and oxygen.

zenzenite
A mineral containing lead and manganese.

zeophyllite
A white pearly mineral from hydrothermal alteration of basalt.

zepharovichite
wavellite

zeunerite
A mineral with tetragonal crystals, of the autunite group, Cu²⁺(UO₂)₂(AsO₄)₂·4H₂O.

zeunerites
plural of zeunerite

zeylanite
Alternative form of ceylanite.

zhanghengite
A golden-yellow mineral containing predominantly copper and zinc but also iron, chromium, and aluminium.

zhonghuacerite
A cerium-bearing mineral found in China, now generally believed to be a form of kukharenkoite or huanghoite.

zietrisikite
A mineral wax resembling ozocerite.

zietrisikites
plural of zietrisikite

zincaluminite
A hexagonal mineral containing aluminum, hydrogen, oxygen, sulfur, and zinc.

zincblende
sphalerite

zincblendes
plural of zincblende

zincgartrellite
A triclinic-pinacoidal greenish yellow mineral containing arsenic, copper, hydrogen, iron, lead, oxygen, and zinc.

zinckenite
A sulfosalt mineral containing lead and antimony.

zincochromite
A mineral, the zinc analogue of chromite.

zincochromites
plural of zincochromite

zincolibethenite
A green mineral containing zinc, copper, phosphorus, hydrogen, and oxygen.

zincolivenite
A mineral species of the olivenite group, CuZn(AsO₄)(OH)

zincorhodochrosite
A zinciferous variety of rhodochrosite.

zincospiroffite
A monoclinic-prismatic gray mineral containing oxygen, tellurium, and zinc.

zincostaurolite
A monoclinic-prismatic colorless mineral containing aluminum, hydrogen, iron, lithium, magnesium, oxygen, silicon, titanium, and zinc.

zincovoltaite
An isometric-hexoctahedral mineral containing aluminum, hydrogen, iron, oxygen, potassium, sulfur, and zinc.

zincowoodwardite
A soft bluish mineral comprising mostly zinc and oxygen.

zincrosasite
A monoclinic-prismatic mineral containing carbon, copper, hydrogen, oxygen, and zinc.

zincroselite
A monoclinic-prismatic mineral containing arsenic, calcium, hydrogen, oxygen, and zinc.

zincsilite
A mineral containing zinc and silicon.

zinkenite
A grey mineral with hexagonal crystals, Pb₉Sb₂₂S₄₂.

zinkenites
plural of zinkenite

zircite
A baddeleyite-zircon mixture.

zirconite
A light brown variety of zircon.

zirconites
plural of zirconite

zirconolite
The mineral calcium zirconium titanate.

zirconolites
plural of zirconolite

zircosulfate
A soft mineral containing zirconium, hydrogen, oxygen, and sulfur.

zirkite
Alternative form of zircite.

zirklerite
A trigonal mineral containing aluminum, chlorine, hydrogen, iron, magnesium, and oxygen.

zirsilite
A brittle cream-coloured complex mineral.

zirsinalite
A trigonal-hexagonal scalenohedral mineral containing calcium, iron, manganese, oxygen, silicon, sodium, and zirconium.

zittavite
A lustrous variety of lignite.

zlatogorite
A silvery-white mineral containing copper, nickel, and antimony.

zobtenite
Any rock produced from gabbros by pressure.

zobtenites
plural of zobtenite

zodacite
A yellow or colourless mineral comprising mostly oxygen, calcium, iron, and phosphorus.

zoisite
A mineral with orthorhombic crystals, Ca₂Al₃(SiO₄)(Si₂O₇)O(OH).

zoisites
plural of zoisite

zonochlorite
chlorastrolite found in rounded masses within or weathered out of amygdaloidal cavities

zorgite
A composite mineral containing umangite, clausthalite, and other minerals.

zoubekite
A grey orthorhombic mineral containing silver, antimony, lead, and sulfur.

zugshunstite
A mineral comprising mostly cerium and oxygen.

zuktamrurite
An iron phosphide mineral found around the Dead Sea

zultanite
A gemstone that shifts from varying shades of green in sunlight to a pinkish brown in incandescent light.

zurlite
A white or green Vesuvian mineral.

zvyaginite
A colorless mineral found in Russia.

zwieselite
A brown to black mineral containing manganese, iron, phosphorus, oxygen, and fluorine.

zygadite
A variety of albite.

zykaite
A dull, soft, translucent greyish-white mineral consisting of arsenic, hydrogen, iron, sulfur and oxygen.

abellaite
A hydrous carbonate mineral whose ideal chemical formula is NaPb₂(CO₃)₂(OH).

alstonite
An aragonite mineral consisting of an isomorphous mixture of calcium and barium carbonates.

ambatoarinite
An orthorhombic carbonate mineral containing cerium and strontium.

ancylite
A basic carbonate mineral of strontium and rare earth elements.

ancylites
plural of ancylite

andersonite
A rare uranium carbonate mineral found in sandstone-hosted uranium.

ankerite
Any of a group of mixed carbonate minerals, principally of calcium with iron, magnesium and manganese.

ankerites
plural of ankerite

aragonite
An evaporite consisting of anhydrous calcium carbonate with the chemical formula CaCO₃ and occurring in pearls, shells and nacre; it is dimorphous with calcite.

aragonites
plural of aragonite

arragonite
Archaic form of aragonite.

arragonites
plural of arragonite

artinite
A hydrated magnesium carbonate mineral that forms white silky monoclinic prismatic crystals.

ashcroftine
A rare mineral that belongs to the carbonate group.

aurichalcite
A basic carbonate mineral of copper and zinc.

aurichalcites
plural of aurichalcite

azurite
A blue vitreous mineral; a basic hydrated copper carbonate, with the chemical formula Cu²⁺₃(CO₃)₂(OH)₂, used since antiquity as a blue pigment or ores to extract metallic copper.

azurites
plural of azurite

barbertonite
A magnesium chromium carbonate mineral, a hexagonal polymorph of stichtite.

barringtonite
Magnesium carbonate dihydrate.

barringtonites
plural of barringtonite

barytocalcite
A monoclinic barium calcium carbonate mineral.

barytocalcites
plural of barytocalcite

beyerite
A carbonate mineral.

bismuthite
An orthorhombic bismuth carbonate mineral.

bismuthites
plural of bismuthite