Chlorargyrite
AgCl
Embolite (series)
—
Open
Chlorargyrite from Silver King Mine, Trojan District, Providence Mts, San Bernardino County, California, USA
Rob Lavinsky, iRocks.com – CC-BY-SA-3.0
0
4
0
IR, PL, PL/XL
Mineral, Halide
Chlorite (group)
—
Clay
Clinochlore, Fe , Nimite , Chamosite , Cookeite , Clinochlore , Sudoite , Chlorite, Mg, Fe , Glagolevite , Borocookeite , Pennantite , Gonyerite , Franklinfurnaceite , Donbassite , Baileychlore
0
2
0
Reflectance
Group , Silicate
Chlorospodiosite
Ca2 PO4 Cl
—
—
0
1
0
Unknown
Orthophosphate , Phosphate
Chondrodite
Mg5 (SiO4 )2 F2
Minerals containing SiO4 , Humite (subgroup)
—
Open
Chondrodite specimen from Tilly Foster mine, Brewster, Putnam County, New York, USA
Photo by Rob Lavinsky, iRocks.com – CC-BY-SA-3.0
3
0
0
—
Mineral, Silicate
Chromatite
CaCrVI O4
—
—
0
8
0
Raman
Mineral
Chromite
FeII Cr2 O4
Spinel (subgroup)
—
Open
Chromite specimen from Mtoroshanga (Mutorashanga), Mashonaland West, Zimbabwe. Field of view 8 mm.
Photo by Leon Hupperichs (via Wikimedia Commons), CC-BY-SA 3.0
1
0
0
—
Mineral
Chromium
Cr
—
—
Open
A piece of chromium metal
Photo by Jurii (http://images-of-elements.com/chromium.php) via Wikimedia Commons, CC-BY 3.0
1
11
2
SXES
Mineral , Metal , Element
Chromium(III) oxide
Cr2 O3
—
Eskolaite
Open
Chromium(III) oxide in a vial
Photo by W. Oelen (http://woelen.homescience.net/science/index.html) via Wikimedia Commons, CC-BY-SA 3.0
1
0
1
SXES
Simple oxide , Synthetic , Compound
Chromum oxyhydroxide
CrOOH
—
—
0
2
0
IR
Hydroxide, Compound
Chrysoberyl
BeAl2 O4
—
—
Open
Chrysoberyl with 'star' form, from Governador Valadares, Doce valley, Minas Gerais, Brazil. Size: 7.33cm
Photo by Matteo Chinellato (via Wikimedia Commons), CC-BY-SA 3.0
0
6
0
PL
Mineral
Chrysocolla
(Cu2-x Alx )H2-x Si2 O5 (OH)4 ·n H2 O
Minerals containing H2O , Minerals containing OH
—
Open
Chrysocolla specimen from the Ray Mine, Dripping Spring Mts, Pinal County, Arizona, USA. Size: 9.3 x 7.4 x 5.5 cm.
Rob Lavinsky, iRocks.com – CC-BY-SA-3.0
1
0
0
—
Hydroxide , Mineral, Silicate , Hydrated
Chukhrovite-(Ce)
Ca3 CeAl2 (SO4 )F13 ·12H2 O
Minerals containing H2O , Minerals containing SO4
—
Open
Very small single crystal of the extremely rare REE mineral chukhrovite-(Y) from the type locality and only one of the three known localities worldwide: Kara Oba, Karaganda Oblast, Kazakhstan.
Photo by David Hospital, via Wikimedia Commons, CC-BY-SA-4.0
0
7
0
PL, PL/XL
Sulphate , Mineral , REE, Hydrated , Halide
Cinnabar
HgS
Mercury sulphide
—
Open
2009 JJ Harrison (https://www.jjharrison.com.au/), CC-BY-SA-3.0
2
15
1
CL/SEM
Mineral, Sulphide
Clarkeite
(Na,Ca,Pb)(UO2 )O(OH)·0-1(H2 O)
Minerals containing H2O , Minerals containing OH
—
0
5
0
PL
Hydroxide , Mineral, Uranyl , Hydrated
Clino-suenoite
☐MnII 2 Mg5 Si8 O22 (OH)2
Minerals containing OH , Suenoite root name group
—
1
0
0
—
Mineral, Silicate , Hydroxide