Copper Cu
—
—
Open
Macro of native copper about 1 ½ inches (4 cm) in size.
Photo by Jonathan Zander (via WIkimedia Commons), CC-BY-SA 3.0
4
13
1
SXES
Mineral , Metal , Element
Copper(II) hydroxide Cu(OH)2
—
—
0
5
0
IR
Hydroxide, Compound
Cordierite Mg2 Al4 Si5 O18
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—
Open
Cordierite specimen from Odisha, India
Photo by Greg Polley, via Smithsonian National Museum of Natural History
0
3
0
PL
Mineral, Aluminosilicate
Corundum Al2 O3
Alumina , Hematite (group) Sapphire , Ruby , Sapphire, Eu doped
Open
An image of corundum (rubies and sapphires), specimen M 898 (Museums Victoria), from Victoria, Australia
Photograph by Frank Coffa, Museums Victoria, CC-BY
3
17
2
CL/SEM, SXES
Mineral, Simple oxide
Cotunnite PbCl2
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—
0
1
0
IR
Mineral, Halide
Covellite CuS
—
—
Open
(C) Raimond Spekking / CC BY-SA 4.0 (via Wikimedia Commons)
5
0
0
—
Mineral, Sulphide
Crandallite (Ca,REE)Al3 (PO4 )(PO3 OH)(OH)6 , CaAl3 (PO4 )(PO3 OH)(OH)6
Minerals containing OH , Plumbogummite (group) , Minerals containing PO4 —
Open
Crandallite from Kovdor, Kola Peninsula, Russia
Photo by Kaethe17 (via Wikimedia Commons), CC-BY-SA 4.0
2
0
0
—
Mineral, Orthophosphate , Phosphate , Hydroxide
Creedite Ca3 Al2 (SO4 )(OH)2 F8 ·2H2 O
Minerals containing H2O , Minerals containing SO4 , Minerals containing OH —
Open
Creedite specimen from Akchatau, Shet District, Karaganda, Kazakhstan
Photo by Chip Clark, via Smithsonian National Museum of Natural History
0
5
0
PL, PL/XL
Hydroxide , Mineral, Sulphate , Hydrated , Halide
Cristobalite SiO2
Silica —
Open
Cristobalite on obsidian from Canyon Butte, Siskiyou County, California, USA
Rob Lavinsky, iRocks.com – CC-BY-SA-3.0
2
4
0
CL, CL/OM, PL/XL, Unknown
Mineral, Simple oxide
Crocoite PbCrO4
Minerals containing Cr[VI]O4 —
Open
Image of specimen 'M 27029 Crocoite' (Museums Victoria) from Dundas, West Coast Region, Tasmania, Australia
Photo by Benjamin Healley, Copyright Museums Victoria / CC BY (Licensed as Attribution 4.0 International)
0
1
0
PL
Mineral
Cryolite Na3 AlF6
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—
Open
Cryolite specimen from the Ivigtut Cryolite deposit, Ivittuut, Arsuk Firth, Arsuk, Kitaa Province, Greenland. Size: 8.8 x 6.7 x 5 cm
Photo by Didier Descouens (via Wikimedia Commons), CC-BY-SA-3.0
0
5
0
IR, PL
Mineral, Halide
Cryolithionite Na3 Al2 (LiF4 )3
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—
Open
White massive cryolithionite from Ivigtut, Ivittuut, Arsuk Fjord, Sermersooq, Greenland.
Photo by David Hospital (via Wikimedia Commons), CC-BY-SA 4.0
0
1
0
PL/XL
Mineral, Halide
Cummingtonite ☐{Mg,FeII }2 {Mg,FeII }5 Si8 O22 (OH)2 , ☐Mg2 Mg5 Si8 O22 (OH)2
Mg-Fe-Mn amphibole , Cummingtonite-Grunerite (series) , Minerals containing OH —
Open
Brownish-colored sprays of cummingtonite needles, from near West Chesterfield, western Hampshire County, western Massachusetts, USA
(C) 2017 James St. John (via Wikimedia Commons). CC-BY-2.0
1
2
0
Reflectance
Hydroxide , Mineral, Silicate
Cummingtonite-Grunerite (series) ◻{Mg2 }{Mg5 }(Si8 O22 )(OH)2 — ◻{FeII 2 }{FeII 5 }(Si8 O22 )(OH)2
Mg-Fe-Mn amphibole Grunerite , Cummingtonite, Fe2+ , Cummingtonite
0
4
0
Reflectance
Hydroxide , Silicate , Series
Cuprite Cu2 O
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—
Open
Specimen of cuprite, from Poteryaevskoe mine, Rubtsovskoe Cu-Pb-Zn deposit, North-western Altay, Russian Federation. Specimen M 51563, Museums Victoria.
Photo by Benjamin Healley, Copyright Museums Victoria / CC BY (Licensed as Attribution 4.0 International)
7
0
0
—
Mineral, Simple oxide
