Mineral Specimen Images (C)

Mineral Thumbnail Images (C)

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Mineral Specimen Images (C) With 826 Images

Cotunnite Image

Images:

Cotunnite: PbCl2

Comments: White to tan translucent crystalline cotunnite on volcanic slag.
Location: Vesuvius, Campania, Italy. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Cotunnite Image

Images:

Cotunnite: PbCl2
Burnsite: KCdCu7O2(SeO3)2Cl9

Comments: Images of burnsite grains (dark) in intimate intergrowth with cotunnite (light). Images obtained by scanning electron microscopy.
Location: North Breach of the great fissure Tolbachik volcano eruption (1975-1976), Kamchatka Peninsula, Russia. Scale: Scale bar: 20 µ-m.
© Canadian Mineralogist

Coulsonite Image

Images:

Coulsonite: Fe++V+++2O4

Comments: Evenly disseminated fine-grained coulsonite in subhedral crystals (light gray) scattered through silicate gangue (dark gray), composed of chlorite, muscovite and scapolite. (AmMin, v47:1284).
Location: Metamorphosed igneous rocks of the Buena Vista Hills located some twenty miles southeast of the town of Lovelock, Nevada, USA. Scale: Picture Size 135 x.
© American Mineralogist

Coulsonite Image

Images:

Coulsonite: Fe++V+++2O4

Cousinite Image

Images:

Cousinite: MgU2Mo2O13·6(H2O) (?)

Comments: minute aggregate of greenish black platy crystals of Cousinite.
Location: Shinkolobwe, Katanga, Shaba, Zaire. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Cousinite Image

Images:

Cousinite: MgU2Mo2O13·6(H2O) (?)

Coutinhoite Image

Images:

Coutinhoite: ThxBa1-2x(H2O)y(UO2)2Si5O13·H2O

Comments: New mineral, IMA 2003-025, from this pegmatite. This is a co-type specimen. Flaky crystals of choutinhoite to less than 0.25mm in gelatin capsule.
Location: Lavra do Urucum, Serra do Urucum, Galileia, Minas Gerais, Brazil. Scale: Crystal size 0.25mm.
© Tom Loomis / Dakota Matrix

Coutinhoite Image

Images:

Coutinhoite: ThxBa1-2x(H2O)y(UO2)2Si5O13·H2O

Comments: Irregular aggregate of yellow coutinhoite. (AmMin, v 89, p 721).
Location: Urucum mine, Galiléia, Minas Gerais, Brazil. Scale: See Image.
© American Mineralogist

Coutinhoite Image

Images:

Coutinhoite: ThxBa1-2x(H2O)y(UO2)2Si5O13·H2O

Coutinhoite Image

Images:

Coutinhoite: ThxBa1-2x(H2O)y(UO2)2Si5O13·H2O

Comments: Irregular aggregate of yellow coutinhoite. (AmMin, v 89, p 721).
Location: Urucum mine, Galiléia, Minas Gerais, Brazil. Scale: See Image.
© American Mineralogist

Covellite Image

Images:

Covellite: CuS

Comments: Covellite crystal group.
Location: Butte, Montana, USA. Scale: 8 x 4 cm.
© Fabre Minerals

Covellite Image

Images:

Covellite: CuS
Nukundamite: (Cu,Fe)4S4

Comments: Metallic brownish rim of nukundamite with dark purplish-blue covellite on fine-grained pyrite.
Location: Ronneburg U deposit, Gera district, Thuringia, Germany. Scale: Picture size 7 mm.
© Thomas Witzke / Abraxas-Verlag

Covellite Image

Images:

Covellite: CuS
Nukundamite: (Cu,Fe)4S4

Covellite Image

Images:

Covellite: CuS

Cowlesite Image

Images:

Cowlesite: CaAl2Si3O10·5-6(H2O)

Comments: Milky bluish translucent botryoidal cowlesite in vug.
Location: Goble, Columbia County, Oregon, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Cowlesite Image

Images:

Cowlesite: CaAl2Si3O10·5-6(H2O)

Comments: Milky bluish translucent botryoidal cowlesite in vug.
Location: Goble, Columbia County, Oregon, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Coyoteite Image

Images:

Coyoteite: NaFe3S5·2(H2O)

Comments: Black and white image of a polished section showing coyoteite crystals showing chevron pattern developed by opposing cleavage sets. Continuous parallel lines are polishing scratches. (AmMin 68:252).
Location: Coyote Peak mafic alkalic diatreme near Orick, Humboldt County, California. USA. Scale: Image size 0.26 mm.
© American Mineralogist

Coyoteite Image

Images:

Coyoteite: NaFe3S5·2(H2O)

Crandallite Image

Images:

Crandallite: CaAl3(PO4)2(OH)5·(H2O)
Phosphofibrite: KCuFe+++15(PO4)12(OH)12·12(H2O)

Comments: Olive-green colored fibrous phosphofibrite aggregates with white crandallite.
Location: Silver Coin Mine, Humboldt County, Nevada, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Crandallite Image

Images:

Crandallite: CaAl3(PO4)2(OH)5·(H2O)
Phosphofibrite: KCuFe+++15(PO4)12(OH)12·12(H2O)

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