Mineral Specimen Images (C)

Clinoptilolite-Na: (Na,K,Ca)2-3Al3(Al,Si)2Si13O36·12(H2O)

Comments: Transparent, brown clinoptilolite-Na crystals in cavities.
Location: Richardson Ranch, Madras, Jefferson Co., Oregon, USA. Scale: Specimen Size 1.5x1.5 cm.
© Diederik Visser

Clinosafflorite: (Co,Fe,Ni)As2

Comments: Silvery metallic granular clinosafflorite in rock.
Location: Nordmark, Varmland, Sweden. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Clinotobermorite: Ca5Si6(O,OH)18·5(H2O)

Comments: Opaque white pure massive clinotobermorite.
Location: Bazhenovskoe, Asbest, Sverdlovsk District, Middle Urals, Russia. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Clinotyrolite: Ca2Cu9[(As,S)O4]4(OH)10·10(H2O)  
Azurite: Cu3(CO3)2(OH)2

Comments: Light blue acicular crystals of clinotyrolite on dark blue azurite.
Location: Lovelock mine, Churchill County, Nevada, USA. Scale: Not Given.
© Lou Perloff / Photo Atlas of Minerals

Clinozoisite: Ca2Al3(SiO4)3(OH) = Ca2AlAl2(SiO4)(Si2O7)O(OH)

Comments: Light pink stellate crystal cluster of clinozoisite.
Location: Sunnyside mine, Silverton District, San Juan County, Colorado, USA. Scale: Not Given.
© Lou Perloff / Photo Atlas of Minerals

Clinozoisite: Ca2Al3(SiO4)3(OH) = Ca2AlAl2(SiO4)(Si2O7)O(OH)

Comments: Brown, prismatic crystal of clinozoisite.
Location: Alchuri, Shigar Skardu district, Pakistan. Scale: Crystal size 7x2.3x1.2 cm.
© Fabre Minerals

Clinozoisite-(Sr): CaSrAl3(Si2O7)(SiO4)O(OH)

Comments: Boulder consisting of prehenite, diaspore, chlorite and niigataite. The pale lavender is prehenite/diaspore and the very pale green is chlorite/niigataite..
Location: Itoigawa, river Kazuo, Niigata prefecture, Japan. Scale: Specimen size 19cm x 16 cm.
© American Mineralogist

Clinozoisite-(Sr): CaSrAl3(Si2O7)(SiO4)O(OH)

Comments: Backscatter electronic image of niigataite (bright) which is partially replacing a chlorite (med gray) grain in a diaspore (dark gray, rod-shaped) and prehenite (light gray) matrix.
Location: Itoigawa, river Kazuo, Niigata prefecture, Japan. Scale: Picture size 5 mm.
© American Mineralogist

Clintonite: Ca(Mg,Al)3(Al3Si)O10(OH)2

Comments: Several interconnected platy crystals of black clintonite variety xanthophyllite on vuggy matrix.
Location: Green Monster Mountain, Prince of Wales Island, Prince of Wales-Outer Ketchikan Co., Alaska, USA. Scale: 4x3x2 cm.
© John Betts - Fine Minerals

Coalingite: Mg10Fe+++2(CO3)(OH)24·2(H2O)

Comments: Brown micaceous sub-metallic coatings of coalingite on serpentinite rock.
Location: Near Gem Mine, San Benito County, California, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Cobaltarthurite: CoFe+++2(AsO4)2(OH)2·4(H2O)  
Arseniosiderite: Ca2Fe+++3(AsO4)3O2·3(H2O)

Comments: Olive-greenish crystalline druse of cobaltarthurite with spherical arseniosiderite.
Location: Pastrana, Mazarrón, Murcia, Spain. Scale: Picture size 1.3 mm.
© Thomas Witzke / Abraxas-Verlag

Cobaltaustinite: CaCo(AsO4)(OH)

Comments: Green, tabular crystal of cobaltaustinite.
Location: Rappold Mine, Neustädtel, Schneeberg District, Erzgebirge, Saxony, Germany. Scale: Picture size 3 mm.
© Thomas Witzke / Abraxas-Verlag

Cobaltite: CoAsS

Comments: Cobaltite embedded in greenish gray dolomite.
Location: Espanola, Ontario, Canada. Scale: 1.3 cm across.
© John Veevaert

Cobaltkoritnigite: (Co,Zn)(AsO3OH)·(H2O)  
Erythrite: Co3(AsO4)2·8(H2O)

Comments: Dark purplish cobaltkoritnigite with pink erythrite.
Location: Schneeberg District, Erzgebirge, Saxony, Germany. Scale: Picture size 5 mm.
© Thomas Witzke / Abraxas-Verlag

Cobaltlotharmeyerite: Ca(Co,Fe,Ni)2(AsO4)2(OH,H2O)2

Comments: Brown crystalline aggregates of cobaltlotharmeyerite on matrix.
Location: Sauschwart Mine, Neustädtel, Schneeberg District, Erzgebirge, Saxony, Germany. Scale: Picture size 5 mm..
© Thomas Witzke / Abraxas-Verlag

Cobaltomenite: CoSeO3·2(H2O)

Comments: Purple micro crystals of cobaltomenite on matrix.
Location: Paris #25 mine, Thompson district, Utah, USA. Scale: 2.5 x 2 cm.
© John Veevaert

Cobaltpentlandite: Co9S8

Comments: Bronze-yellow cobaltpentlndite in pyrrhotite.
Location: Outokumpu, Finland. Scale: Specimen Size 0.8x1.5 cm.
© Diederik Visser

Cobalttsumcorite: Pb(Co,Fe)2(AsO4)2(OH,H2O)2

Comments: Brown crystals of cobalttsumcorite.
Location: Rappold Mine, Neustädtel, Schneeberg District, Erzgebirge, Saxony, Germany. Scale: Picture size 4 mm.
© Thomas Witzke / Abraxas-Verlag

Coccinite: Hg++I2 (?)  
Sulfur: S8

Comments: Orange-red coccinite on sulfur. Due to the volatility of the mineral at room temperature, the sample is preserved in a closed vial. The photo was made through the vial, therefore the sharpness is reduced.
Location: Lichtenberg Mine, Ronneburg U Deposit, Gera district, Thuringia, Germany. Scale: Picture size 1 mm.
© Thomas Witzke / Abraxas-Verlag

Coconinoite: Fe+++2Al2(UO2)2(PO4)4(SO4)(OH)2·18(H2O)

Comments: Dull, putty-colored clay-like mass of coconinoite on a sandstone matrix.
Location: Jomas mine, White Canyon, San Juan County, Utah, USA. Scale: Picture size 1.2 cm.
© Paul M. Schumacher