Material Index for the Spectroscopy Database

Material Index

Name	Formula	Classifications	Members	Image	Lines	Spectra	Techniques	Tags
Chalcocite	Cu₂S	—	—	Chalcocite Chalcocite specimen from Mammoth Mine, Mount Gordon, Gunpowder District, Mt Isa - Cloncurry area, Queensland, Australia. Size: 3.6 x 2.7 x 2.7 cm © Rob Lavinsky, iRocks.com – CC-BY-SA-3.0	2	0	CL/SEM	Mineral, Sulphide
Chalcopyrite	CuFeS₂	—	—	Chalcopyrite Chalcopyrite specimen from Concepción del Oro, Zacatecas, Mexico © Photo by Ken Larsen, via Smithsonian National Museum of Natural History	0	1	SXES	Mineral, Sulphide
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	4	0	PL, PL/Laser, PL/XL	Hydroxide , Mineral, Silicate , Hydrated
Chernikovite	(H₃O)(UO₂)(PO₄)·3H₂O	Meta-autunite (group), Minerals containing PO4, Minerals containing H2O	—	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	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	5	0	IR, PL	Mineral, Halide
Chlorapatite	Ca₅(PO₄)₃Cl	Apatite, Minerals containing PO4	—	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	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	4	0	IR, PL, PL/XL	Mineral, Halide
Chlorite (group)	—	Clay	Pennantite, Chlorite, Mg, Fe, Chamosite, Clinochlore, Fe, Glagolevite, Clinochlore, Borocookeite, Franklinfurnaceite, Cookeite, Sudoite, Donbassite, Nimite, Baileychlore, Gonyerite		2	0	Reflectance	Group , Silicate
Chlorospodiosite	Ca₂PO₄Cl	—	—		1	0	Unknown	Orthophosphate , Phosphate
Chromatite	CaCr^VIO₄	—	—		8	0	Raman	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	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	0	1	SXES	Simple oxide , Synthetic , Compound
Chromum oxyhydroxide	CrOOH	—	—		2	0	IR	Hydroxide, Compound
Chrysoberyl	BeAl₂O₄	—	—	Chrysoberyl 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	6	0	PL	Mineral
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	7	0	PL, PL/XL	Sulphate , Mineral , REE, Hydrated , Halide