Material Index for the Spectroscopy Database

Material Index

Name	Formula	Classifications	Members	Image	Specimens	Lines	Spectra	Techniques	Tags
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	Sudoite, Glagolevite, Cookeite, Chlorite, Mg, Fe, Chamosite, Baileychlore, Franklinfurnaceite, Gonyerite, Pennantite, Donbassite, Clinochlore, Clinochlore, Fe, Borocookeite, Nimite		0	2	0	Reflectance	Group , Silicate
Chlorospodiosite	Ca₂PO₄Cl	—	—		0	1	0	Unknown	Orthophosphate , Phosphate
Chondrodite	Mg₅(SiO₄)₂F₂	Humite (subgroup), Minerals containing SiO4	—	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
Chromum oxyhydroxide	CrOOH	—	—		0	2	0	IR	Hydroxide, Compound
Chrysoberyl	BeAl₂O₄	—	—	Chrysoberyl Catalog number NMNH G10613, the 17.08-carat Whitney Alexandrite from the National Gem Collection at the Smithsonian Institution National Museum of Natural History in Washington, D.C. This composite image shows the dramatic color change for which alexandri Photo by Chip Clark (reprocessed by Kristen Quarles), Smithsonian Institution, Public Domain	0	6	0	PL	Mineral
Chrysocolla	(Cu_2-xAl_x)H_2-xSi₂O₅(OH)₄·nH₂O	Minerals containing OH, Minerals containing H2O	—	Chrysocolla 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)	Ca₃CeAl₂(SO₄)F₁₃·12H₂O	Minerals containing SO4, Minerals containing H2O	—	Chukhrovite-(Ce) 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	—	Cinnabar Cinnabar on dolomite 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(H₂O)	Minerals containing OH, Minerals containing H2O	—		0	5	0	PL	Hydroxide , Mineral, Uranyl , Hydrated
Clino-suenoite	☐Mn^II₂Mg₅Si₈O₂₂(OH)₂	Suenoite root name group, Minerals containing OH	—		1	0	0	—	Mineral, Silicate , Hydroxide