's Image Gallery

Chalcostibite: CuSbS2

Comments: Dark gray crystals of chalcostibite on white quartz matrix.
Location: Boldut mine, Cavnic Maramures, Rumania. Scale: 7 x 7 x 3.5 cm.
© Fabre Minerals

Chalcothallite: (Cu,Fe)6Tl2SbS4

Comments: Gray-black, platy chalcothallite aggregates in matrix.
Location: Taseq Slope, Ilimaussaq Complex, Narsaq, Kitaa, West Greenland, Denmark. Scale: Specimen Size 6x20 mm.
© Diederik Visser

Challacolloite: KPb2Cl5

Comments: White to transparent challacolloite crystals on matrix.
Location: Eruption of 1855, Mount Vesuvius, Campania, Italy. Scale: See Image.
© Jeff Weissman / Photographic Guide to Mineral Species

Chambersite: Mn3B7O13Cl

Comments: Tetragonal crystals of chambersite extracted from salt dome deposits.
Location: Barkers Hill, Mont Belvieu, Chambers County, Texas, USA. Scale: Size Not Given.
© Lou Perloff / Photo Atlas of Minerals

Chamosite: (Fe++,Mg,Fe+++)5Al(Si3Al)O10(OH,O)8

Comments: Dark green sectile massive chamosite.
Location: Jalgaon, Maharashtra, India. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Changbaiite: PbNb2O6

Comments: BSE image of a zircon grain with inclusions of bastnasite? (bs), columbite (cb), cerofluorite (ce), chanbaiite (ch), cryolite (cry), thorite (th), xenotime (xe) and niobium-rich iron oxides (Nb-Fea).
Location: Rhyolite laccoliths from the Sierra Blanca Peaks, Trans-Peco region, Texas. (AmMin, v 74:865). Scale: See Image.
© American Mineralogist

Chaoite: C

Comments: Dark masses of chaoite intermixed with graphite on rock shocked by meteorite impact.
Location: Ries Crater, Bopfingen, Bavaria, Baden-Wurttemberg. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Chapmanite: Sb+++Fe+++2(SiO4)2(OH)

Comments: Green, earthy chapmanite on quartz-sulfide matrix.
Location: Neue Hoffnung Gottes Mine, Bräunsdorf, Freiberg District, Erzgebirge, Saxony, Germany. Scale: Picture size 5 mm.
© Thomas Witzke / Abraxas-Verlag

Charlesite: Ca6(Al,Si)2(SO4)2B(OH)4(OH,O)12·26(H2O)

Comments: 1 cm white crystal of charlesite on calcite with small (2 mm) octahedral crystals of galena.
Location: N'Chwaning Mine, Kalahari Manganese Field, Northern Cape Province, South Africa. Scale: Picture size 2.5 cm.
© John Veevaert

Charoite: K5Ca8(Si6O15)2(Si2O7)Si4O9(OH)·3(H2O)

Comments: Polished slab of purple charoite.
Location: Murun Massif, Chara River, Davan, Torgo River Basin, Aldan Shield, Saha (Sakha) Republic (Yakutia), Eastern-Siberian Region, Russia. Scale: Picture size 6.5 cm.
© Thomas Witzke / Abraxas-Verlag

Charoite: K5Ca8(Si6O15)2(Si2O7)Si4O9(OH)·3(H2O)  
Fedorite: KNa4Ca4(Al,Si)16O36(OH,F)4·6(H2O)

Comments: Tan crystalline platy fedorite in pale violet charoite.
Location: Murun, Republic of Sakha, Siberia, Russia. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Charoite: K5Ca8(Si6O15)2(Si2O7)Si4O9(OH)·3(H2O)  
Tinaksite: K2Na(Ca,Mn++)2(Ti,Fe)O[Si7O18(OH)]

Comments: Yellow-brown prismatic tinaksite crystals in purple charoite with black aegirine.
Location: Murun, Aldan Uplift, Chara and Olekma Rivers, near Olekminsk, Republic of Sakha, Siberia, Russia. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Charoite: K5Ca8(Si6O15)2(Si2O7)Si4O9(OH)·3(H2O)  
Tokkoite: K2Ca4[Si7O18(OH)](F,OH)

Comments: Yellow crystalline tokkoite intermixed with purple charoite (viewed cross-sectional to fiber direction).
Location: Murun, Aldan, Republic of Sakha, Siberia, Russia. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Charoite: K5Ca8(Si6O15)2(Si2O7)Si4O9(OH)·3(H2O)  
Tinaksite: K2Na(Ca,Mn++)2(Ti,Fe)O[Si7O18(OH)]

Comments: Polished slab of deep purple chariote with inclusions of black augite, white feldspar and orange tinaksite.
Location: Murun, Siberia, Russia. Scale: Picture size 10 cm.
© Kevin Ward

Chayesite: K(Mg,Fe++)4Fe+++(Si12O30)

Comments: Crystalline aggregate of rusty red, thin tabular hexagonal plates of chayesite stacked along the c-axis on matrix.
Location: Pauliberg Mt., Kobersdorf, Oberpullendorf, Burgenland, Austria. Scale: Crystal size 0.5 mm.
© Tom Loomis / Dakota Matrix

Chayesite: K(Mg,Fe++)4Fe+++(Si12O30)  
Merrihueite: (K,Na)2(Fe++,Mg)5Si12O30

Comments: A sharp, chemically zoned crystal of copper-brown merrihueite(?) (see Lapis-Magazine 4/2002 Page 38/39) overgrown on bluish chayesite.
Location: Basalt quarry, Pauliberg Mt., Kobersdorf, Oberpullendorf, Burgenland, Austria. Scale: Crystal Size 0.15 cm.
© Jeff Weissman / Photographic Guide to Mineral Species

Chekhovichite: (Bi,Pb,Fe)2Te4O11

Comments: Crude, white transparent subhedral chekhovichite crystal.
Location: Zod Deposit, 14 km East of Verdenis, Armenia. Scale: Specimen Size 2x7 mm.
© Diederik Visser

Chelkarite: CaMgB2O4Cl2·7(H2O) (?)

Comments: Minute transparent nearly colorless microcrystals of chelkarite.
Location: Chelkar, Zapadno-Kazahstan, Kazakhstan. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Chenevixite: Cu2Fe+++2(AsO4)2(OH)4·(H2O)

Comments: Green micro crystals of chenevixite on matrix.
Location: Majuba Hill, Pershing County, Nevada, USA. Scale: Size Not Given.
© John Veevaert

Chenguodaite: Ag9FeTe2S4

Comments: BSE Image of coexisting chenguodaite (U1) and galena (Gn), part of the grain is extracted for Gandolfi camera diffraction. (Chinese Science Bulletin 2008, 53(22)).
Location: Bunan deposit, Shandong Province, People’s Republic of China. Scale: See Image.
© Chinese Science Bulletin