Mineral Specimen Images (C)

Cabalzarite: Ca(Mg,Al,Fe++)2(AsO4)2(H2O,OH)2

Comments: Brownish crystals of cabalzarite on matrix.
Location: Falotta, Tinizong (Tinzen), Sursass (Oberhalbstein), Grischun (Grisons; Graubünden), Switzerland. Scale: Picture size 5 mm.
© Thomas Witzke / Abraxas-Verlag

Cabriite: Pd2SnCu  
Sperrylite: PtAs2

Comments: Small crystal of dull gray cabriite on a larger tin-white sperrylite crystal.
Location: Dzhezhazgan, Kazakhstan. Scale: Crystal size 1.5 mm.
© John Veevaert

Cabriite: Pd2SnCu  
Sperrylite: PtAs2

Comments: Polished section (PPL) image of a ovoid grain of cabriite (Ca) rimmed by native silver (Ag) in a matrix of brownish cubanite (Cu), with tawny chalcopyrite (Cp). Surrounded on three sides by coarse, millimetric crystals of sperrylite (Sp).
Location: Noril’sk-Talnakh mining district of northwestern Russia. (CanMin, v40:473). Scale: Feld of view 1.2 mm.
© Canadian Mineralogist

Cacoxenite: (Fe+++,Al)25(PO4)17O6(OH)12·75(H2O)

Comments: Radial, spherical individual crystal sprays of brownish yellow cacoxenite.
Location: El Horcajo (Ciudad Real), Spain. Scale: 0.5 mm diameter.
© Tom Loomis / Dakota Matrix

Cacoxenite: (Fe+++,Al)25(PO4)17O6(OH)12·75(H2O)  
Strengite: Fe+++PO4·2(H2O)

Comments: Lilac colored, spear-head shape crystals of strengite to 5mm in large, open vug associated with golden fibrous cacoxenite.
Location: Coon Creek, Polk Co., Arkansas, USA. Scale: Picture size 2 cm.
© Tom Loomis / Dakota Matrix

Cadmoindite: CdIn2S4

Comments: Tiny speck of brown cadmoindite adhered to double-stick tape mounted in an acrylic box for protection.
Location: Kudriavy, Iturup Island, Russia. Scale: Speck size - Microscopic.
© John Betts - Fine Minerals

Cadmoselite: CdSe

Comments: Black cadmoselite grains in quartz.
Location: Republic of Tuva, Siberia, Russia. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Cadwaladerite: Al(OH)2Cl·4(H2O)

Comments: Yellow crystalline grain of cadwaladerite, somewhat deliquescent.
Location: Cerro Pintados, south east of Iquique, Tarapaca, Chile. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Cafarsite: Ca8(Ti,Fe++,Fe+++,Mn)6-7(As+++O3)12·4(H2O)

Comments: Octahedron of cafarsite with a green coloration (?) on a gneiss matrix.
Location: Vasl D' Aosta, Italy. Scale: 4.6x4.5x3.2 cm.
© Isaias Casanova / IC Minerals

Cafarsite: Ca8(Ti,Fe++,Fe+++,Mn)6-7(As+++O3)12·4(H2O)

Comments: Small, cubic crystal of cafarsite on matrix.
Location: Wannigletscher, Binntal, Switzerland. Scale: Crystal size 0.5 cm.
© Rob Lavinsky

Cafetite: Ca(Fe,Al)2Ti4O12·4(H2O)

Comments: Ocher-colored aggregates of cafetite in pegmatite, intimately mixed with iron hydroxides.
Location: Mount Rasvumchorr, Khibiny Massif, Kola Peninsula, Murmansk District, Russia. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Cahnite: Ca2B(AsO4)(OH)4

Comments: White, translucent cahnite crystal on hodgkinsonite.
Location: Franklin, Sussex County, New Jersey, USA. Scale: Size Not Given.
© Lou Perloff / Photo Atlas of Minerals

Calaverite: AuTe2

Comments: Quartz matrix with abundant calaverite crystals.
Location: Cripple Creek, Teller County, Colorado, USA. Scale: Size Not Given.
© Lou Perloff / Photo Atlas of Minerals

Calciborite: CaB2O4

Comments: Translucent colorless crystalline calciborite.
Location: Novofrolovskoye, Sverdlovsk District, Northern Urals, Russia. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Calcioancylite-(Ce): CaCe(CO3)2(OH)·(H2O)

Comments: Gray calcio-ancylite pseudomorphs after remondite crystals up to 4 cm long.
Location: Poudrette quarry (Demix quarry; Uni-Mix quarry; Desourdy quarry), Mt Saint-Hilaire, Rouville Co., Québec, Canada. Scale: 5x4x4 cm.
© John Betts - Fine Minerals

Calcioandyrobertsite-1M: KCaCu5(AsO4)4[As(OH)2O2]·2(H2O)  
Tennantite: (Cu,Fe)12As4S13

Comments: Vein of blue calcioandyrobertsite in massive dark gray tennantite. The vein of calcioandyrobertsite extends for 0.8cm.
Location: Tsumeb Mine, Tsumeb, Namibia. Scale: Specimen size 1.1 x 0.5 cm.
© John Veevaert

Calcioburbankite: Na3(Ca,REE,Sr)3(CO3)5  
Aegirine: NaFe+++Si2O6

Comments: Tan crystal spray of calcioburbankite on dark green aegirine.
Location: Mont Saint Hilaire, Quebec, Canada. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Calciocopiapite: CaFe+++4(SO4)6(OH)2·19(H2O)

Comments: Greenish yellow crystalline crust of calciocopiapite.
Location: Borate, San Bernardino County, California, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Calcioferrite: Ca4Fe++(Fe+++,Al)4(PO4)6(OH)4·12(H2O)

Comments: Whitish green botryoidal crust of calcioferrite on matrix.
Location: Brugues, Barcelona, Catalunya, Spain. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Calciogadolinite: CaREE(Fe+++)Be2Si2O10  
Gadolinite-(Y): Y2Fe++Be2Si2O10

Comments: Black vitreous, metamict massive gadolinite-(Y) also known as calcian gadolinite.
Location: Ytterøya Mine, Røvika, Ytterøya (island), Levanger, Nord-Trondelag, Norway. Scale: See Image.
© Rruff Database