Material Index for the Spectroscopy Database

Material Index

Name	Formula	Classifications	Members	Image	Specimens	Lines	Spectra	Techniques	Tags
Cerium(IV) oxide	CeO₂	REE oxide	Cerianite-(Ce)	Cerium(IV) oxide Reflected light optical micrograph of a polished cross-section of a synthetic standard of cerium(IV) oxide [CeO2] in 'P-0114 CeO2' (CSIRO), ex Charles M. Taylor Co. Instrument: Olympus BX-51. Crossed polarisers. Micrograph by Aaron Torpy. (C) 2024 CSIRO Mineral Resources. All Rights reserved.	2	3	2	CL/SEM, SXES	REE, Simple oxide , Compound
Cerussite	PbCO₃	Aragonite (group), Minerals containing CO3	—	Cerussite Cerussite specimen from Mibladen, Morocco, and is 5.6cm in size Photo by Carlin Green, USGS, Public Domain	8	18	1	SXES	Carbonate , Mineral
Chalcanthite	Cu(SO₄)·5H₂O	Minerals containing H2O, Minerals containing SO4	—		1	0	0	—	Mineral, Hydrated , Sulphate
Chalcedony	SiO₂	Quartz (var. microcrystalline)	Onyx	Chalcedony Chalcedony specimen from El Paso, Texas. Size: 2 x 1.25" (5.5 cm x 3 cm). It contains trace amounts of the uranyl ion (uranium) which makes it fluoresce under short wave ultraviolet light. Photo (C) 2009 Hadley Paul Garland (via Wikimedia Commons), CC-BY-SA 2.0	1	6	0	PL	Variety, Simple oxide
Chalcocite	Cu₂S	Chalcocite-Digenite Group	—	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	9	2	0	CL/SEM	Mineral, Sulphide
Chalcocite-Digenite Group	—	—	Chalcocite, Digenite, Yarrowite, Djurleite, Roxbyite		12	2	0	CL/SEM	Group , Sulphide
Chalcopyrite	CuFeS₂	—	—	Chalcopyrite Chalcopyrite specimen from Concepción del Oro, Zacatecas, Mexico Photo by Ken Larsen, via Smithsonian National Museum of Natural History	32	0	3	EDS, 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 H2O, Minerals containing OH	—	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 H2O, Meta-autunite (group), Minerals containing PO4	—	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	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	1	3	CL, EDS	Mineral, Phosphate , Orthophosphate
Chlorargyrite	AgCl	Silver chloride, 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, Chamosite, Donbassite, Franklinfurnaceite, Clinochlore (var. Fe), Clinochlore, Pennantite, Nimite, Borocookeite, Gonyerite, Chlorite (var. Mg, Fe), Glagolevite, Cookeite, Baileychlore		0	10	3	EDS, Reflectance	Group , Silicate