Material Index for the Spectroscopy Database

Material Index

Name	Formula	Classifications	Members	Image	Specimens	Lines	Spectra	Techniques	Tags
Chalcopyrite	CuFeS₂	—	—	Chalcopyrite Chalcopyrite specimen from Concepción del Oro, Zacatecas, Mexico Photo by Ken Larsen, via Smithsonian National Museum of Natural History	31	0	1	SXES	Mineral, Sulphide
Chamosite-1MIIb	(Fe²⁺,Mg,Al,Fe³⁺)₆(Si,Al)₄O₁₀(OH,O)₈	Chamosite	—		1	0	0	—	Hydroxide , Aluminosilicate , Polytype
Charoite	(K,Sr,Ba,Mn)_15-16(Ca,Na)₃₂[Si₇₀(O,OH)₁₈₀](OH,F)₄·nH₂O	Minerals containing OH, Minerals containing H2O	—	Charoite Charoite specimen from Chara, Yakutsk, Yakutia-Sakha Republic, Russian Federation Photo by Penland, via Smithsonian National Museum of Natural History	0	4	0	PL, PL/Laser, PL/XL	Hydroxide , Mineral, Silicate , Hydrated
Chernikovite	(H₃O)(UO₂)(PO₄)·3H₂O	Minerals containing PO4, Minerals containing H2O, Meta-autunite (group)	—	Chernikovite Chernikovite with greenish Meta-Autunite, Rockelmann Quarry, Schwarzenberg, Schwarzenberg District, Erzgebirge, Germany Photo (C) 2015 Weirdmeister (via Wikimedia Commons), CC-BY-SA 4.0	0	4	0	PL	Mineral, Orthophosphate , Phosphate , Uranyl , Hydrated
Chiolite	Na₅Al₃F₁₄	—	—	Chiolite An excellent, lustrous, translucent and blocky specimen of the rare mineral chiolite from Greenland. Chiolite is related to cryolite, but is much rarer and only occurs as massive material. This is a valuable piece of gem rough weighing 28 grams. 3.6 x 2.1 Photo by Rob Lavinsky, iRocks.com – CC-BY-SA-3.0	0	5	0	IR, PL	Mineral, Halide
Chkalovite	Na₂BeSi₂O₆	—	—	Chkalovite Composite white-light photograph and UV (shortwave+longwave) UV photoluminescence image of a specimen of chkalovite (green PL) and sodalite (orange PL) on a microcline matrix, from Tunuliarfik, Ilímaussaq, Greenland Photo (C) 2003 James O. Hamblen (http://hamblen.ece.gatech.edu/uvminerals/). Reproduced with permission.	1	0	0	—	Mineral, Silicate
Chlorapatite	Ca₅(PO₄)₃Cl	Minerals containing PO4, Apatite	—	Chlorapatite Hexagonal, lustrous, partially translucent, grayish-green chlorapatite crystal, with calcite, laumontite and magnetite, from Dashkesan Co-Fe deposit, Daşkəsən District, Azerbaijan Rob Lavinsky, iRocks.com – CC-BY-SA-3.0	0	1	0	Unknown	Mineral, Phosphate , Orthophosphate
Chlorargyrite	AgCl	Embolite (series)	—	Chlorargyrite 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	Franklinfurnaceite, Donbassite, Chamosite, Clinochlore, Nimite, Clinochlore, Fe, Chlorite, Mg, Fe, Sudoite, Gonyerite, Glagolevite, Borocookeite, Pennantite, Baileychlore, Cookeite		0	2	0	Reflectance	Group , Silicate
Chlorospodiosite	Ca₂PO₄Cl	—	—		0	1	0	Unknown	Orthophosphate , Phosphate
Chondrodite	Mg₅(SiO₄)₂F₂	Minerals containing SiO4, Humite (subgroup)	—	Chondrodite 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	CaCr^VIO₄	—	—		0	8	0	Raman	Mineral
Chromite	Fe^IICr₂O₄	Spinel (subgroup)	—	Chromite 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	—	—	Chromium 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	Cr₂O₃	—	Eskolaite	Chromium(III) oxide 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