bussenite
A triclinic-pedial yellowish brown mineral containing barium, calcium, carbon, fluorine, hydrogen, iron, manganese, oxygen, silicon, sodium, strontium, and titanium.

bustamite
A triclinic-pinacoidal mineral containing calcium, manganese, oxygen, and silicon.

butlerite
A monoclinic-prismatic mineral containing hydrogen, iron, oxygen, and sulfur.

buttgenbachite
A hexagonal-dihexagonal dipyramidal mineral containing chlorine, copper, hydrogen, nitrogen, and oxygen.

byssolite
An olive-green fibrous variety of hornblende.

byssolites
plural of byssolite

bystrite
A trigonal-ditrigonal pyramidal yellow mineral containing aluminum, calcium, hydrogen, oxygen, potassium, silicon, sodium, and sulfur.

byzantievite
A brown trigonal mineral containing boron, barium, calcium, flourine, hydrogen, niobium, oxygen, phosphorus, silicon, titanium, and yttrium.

cabalzarite
A monoclinic-prismatic mineral containing aluminum, arsenic, calcium, hydrogen, iron, magnesium, manganese, and oxygen.

cabochon
A precious stone which has only been polished, not cut into facets.

cabrerite
A form of annabergite with some of the nickel replaced by magnesium.

cacholong
An opaque or milk-white chalcedony, a variety of quartz.
A similar variety of opal.

cacholongs
plural of cacholong

cadmoindite
An isometric-hexoctahedral mineral containing cadmium, germanium, indium, iron, sulfur, and zinc.

cadmoselite
A rare hexagonal cadmium selenide mineral, black to grey in colour.

cafarsite
An isometric-diploidal mineral containing arsenic, calcium, hydrogen, iron, manganese, oxygen, and titanium.

cahnite
A tetragonal-disphenoidal mineral containing arsenic, boron, calcium, hydrogen, and oxygen.

cahnites
plural of cahnite

cairngormstone
A yellow or smoky brown variety of rock crystal, found especially in the mountains of Cairngorm in Scotland.

cal
Clipping of calorie.
Clipping of caliber.
Clipping of calendar.
Clipping of calibration.

calafatite
Synonym of alunite.

calaite
turquoise.

calaites
plural of calaite

calash
Alternative form of calèche (“type of carriage with low wheels”).
A silk and whalebone hood worn by ladies to shade the face.

calashes
plural of calash

calaverite
A mineral form of gold telluride (AuTe₂).

calaverites
plural of calaverite

calcedon
Any common mineral, such as chalcedony or calcite, that is found as an intrusion or vein in another stone, especially in a precious stone.
The bass lute, an instrument used by baroque composers (notably Telemann).

calcedons
plural of calcedon

calciborite
An orthorhombic-dipyramidal white mineral containing boron, calcium, and oxygen.

calcicosis
Pneumoconiosis caused by inhalation of limestone dust.

calcimetry
The measurement of limestone in a geological sample, by means of a calcimeter

calcioancylite
ancylite containing calcium.

calcioandyrobertsite
A form of andyrobertsite in which calcium is substituted for cadmium.

calcioaravaipaite
A triclinic-pinacoidal mineral containing aluminum, calcium, fluorine, hydrogen, lead, and oxygen.

calciobetafite
An isometric-hexoctahedral reddish brown mineral containing calcium, fluorine, hydrogen, iron, lanthanum, cerium, praseodymium, neodymium, samarium, niobium, oxygen, thorium, titanium, and uranium.

calciobiotite
biotite containing calcium.

calcioburbankite
A hexagonal-dihexagonal pyramidal mineral that includes calcium, carbon, oxygen, sodium, and strontium.

calciocarnotite
Synonym of tyuyamunite.

calciocatapleiite
catapleiite containing calcium

calciocopiapite
A triclinic-pinacoidal mineral containing calcium, hydrogen, iron, oxygen, and sulfur.

calciodialogite
Synonym of calciorhodochrosite.

calcioferrite
A monoclinic-sphenoidal mineral containing aluminum, calcium, hydrogen, iron, magnesium, oxygen, and phosphorus.

calcioferrites
plural of calcioferrite

calciohilairite
A trigonal-trapezohedral mineral containing calcium, hydrogen, oxygen, silicon, and zirconium.

calciomotite
Synonym of tyuyamunite.

calciorhodochrosite
A calcium-bearing variety of rhodochrosite.

calciosamarskite
A mineral containing calcium, uranium iron, niobium, tantalum, titanium and oxygen that is found in the United States, Europe and Australia

calciotantite
A hexagonal-trapezohedral colorless mineral containing calcium, niobium, oxygen, and tantalum.

calciouranoite
A triclinic mineral containing barium, calcium, hydrogen, lead, oxygen, sodium, and uranium.

calcjarlite
A monoclinic-prismatic white mineral containing aluminum, calcium, fluorine, hydrogen, oxygen, sodium, and strontium.

calcurmolite
A monoclinic honey yellow mineral containing calcium, hydrogen, molybdenum, oxygen, and uranium.

calderite
A garnet mineral.

calderites
plural of calderite

calderonite
A monoclinic-prismatic mineral containing copper, hydrogen, iron, lead, oxygen, and vanadium.

caleche
Alternative form of calèche.

caleches
plural of caleche

caliche
A crude form of sodium nitrate from South America; used as a fertilizer.
A layer of hard clay subsoil or sedimentary rock; hardpan.

caliches
plural of caliche

californite
A green vesuvianite found in California, resembling jade and used as a gemstone.

callaghanite
A monoclinic-prismatic mineral containing carbon, copper, hydrogen, magnesium, and oxygen.

calmstone
A sandstone, shale, or mudstone that forms in layers that are easily split into flagstones.

calmstones
plural of calmstone

cals
plural of cal

calumetite
An orthorhombic mineral containing chlorine, copper, hydrogen, and oxygen.

calyon
flint or pebble stone, used in building walls, etc.

calzirtite
An orthorhombic-dipyramidal mineral containing calcium, oxygen, titanium, and zirconium.

camerolaite
A monoclinic-sphenoidal blue green mineral containing aluminum, antimony, carbon, copper, hydrogen, oxygen, and sulfur.

camgasite
A monoclinic-prismatic colorless mineral containing arsenic, calcium, hydrogen, magnesium, and oxygen.

caminite
A tetragonal-ditetragonal dipyramidal mineral containing hydrogen, magnesium, oxygen, and sulfur.

campigliaite
A monoclinic-sphenoidal mineral containing copper, hydrogen, manganese, oxygen, and sulfur.

campylite
A variety of mimetite.

camsellite
Synonym of szaibelyite.

canaphite
A monoclinic-domatic colorless mineral containing calcium, hydrogen, oxygen, phosphorus, and sodium.

canasite
A monoclinic-prismatic mineral containing calcium, fluorine, hydrogen, oxygen, potassium, silicon, and sodium.

canavesite
A monoclinic-prismatic white mineral containing boron, carbon, hydrogen, magnesium, and oxygen.

cancrisilite
A hexagonal-pyramidal mineral containing aluminum, carbon, hydrogen, oxygen, silicon, and sodium.

candite
ceylonite (dark variety of spinel).

cannels
plural of cannel

cannizzarite
A monoclinic-prismatic mineral containing bismuth, lead, and sulfur.

cannonite
A monoclinic-prismatic colorless mineral containing bismuth, hydrogen, oxygen, and sulfur.

caoxite
A triclinic-pinacoidal colorless mineral containing calcium, carbon, hydrogen, and oxygen.

capgaronnite
An orthorhombic-disphenoidal mineral containing bromine, chlorine, iodine, mercury, silver, and sulfur.

caprock
A harder or more resistant rock type overlying a weaker or less resistant rock type.

carboborite
A monoclinic-prismatic colorless mineral containing boron, calcium, carbon, hydrogen, magnesium, and oxygen.

carbocer
Any of a group of poorly-defined minerals containing rare earth elements

carbocernaite
An orthorhombic-pyramidal mineral containing barium, calcium, carbon, cerium, oxygen, sodium, and strontium.

carbocers
plural of carbocer

carboirite
A mineral containing iron, aluminum, oxygen and hydrogen that is found in southern France.

carbokentbrooksite
A trigonal-ditrigonal pyramidal yellow mineral containing calcium, carbon, cerium, chlorine, hydrogen, lanthanum, manganese, neodymium, niobium, oxygen, potassium, praeseodymium, silicon, sodium, strontium, titanium, yttrium, and zirconium.