Material Index for the Spectroscopy Database

Material Index

Name	Formula	Classifications	Members	Image	Specimens	Lines	Spectra	Techniques	Tags
REE(III) hydroxide	REE^III(OH)₃	—	—		0	2	0	IR	Hydroxide , Compound
REE(III) oxyhydroxide	REE^IIIOOH	—	—		0	2	0	IR	Compound
Rammelsbergite	NiAs₂	—	—		1	0	0	—	Mineral, Arsenide
Realgar	AsS	—	—	Realgar Realgar specimen from Royal Reward Mine, Green River Gorge, Franklin, King Co., WA, USA Rob Lavinsky, iRocks.com – CC-BY-SA-3.0	0	2	0	PL, PL/XL	Mineral, Sulphide
Reevesite	Ni₆Fe^III₂(CO₃)(OH)₁₆·4H₂O	Hydrotalcite (group), Minerals containing OH, Minerals containing CO3, Minerals containing H2O	—		1	0	0	—	Carbonate , Hydroxide , Mineral, Hydrated
Reidite	ZrSiO₄	Minerals containing SiO4, Zircon (group)	—		1	5	1	CL/SEM	Mineral, Silicate
Renardite	Pb(UO₂)₄(PO₄)₂(OH)₄·7H₂O	Minerals containing OH, Minerals containing PO4, Minerals containing H2O	—		0	4	0	PL	Hydroxide , Mineral, Orthophosphate , Phosphate , Uranyl , Hydrated
Rhenium	Re	—	—	Rhenium Elemental rhenium (C) 2024 James St. John (via Wikimedia Commons). CC-BY-2.0	1	15	2	SXES	Metal , Element
Rhodium	Rh	—	—	Rhodium \Rhodium foil and wire. Image taken by User:Dschwen on January 12th 2006. (C) 2006 Dschwen (via Wikimedia Commons). CC-BY-2.5	1	11	2	SXES	Mineral , Metal , Element
Rhodizite	KBe₄Al₄(B₁₁Be)O₂₈	—	—	Rhodizite Rhodizite (yellow, 1.7cm) with pink and dark green bicolor Tourmaline, from Tetezantsio-Andoabatokely Pegmatite Field, Andrembesoa Commune, Betafo District, Vakinankaratra Region, Antananarivo Province, Madagascar Rob Lavinsky, iRocks.com – CC-BY-SA-3.0	0	6	0	PL/XL	Mineral
Rhodochrosite	MnCO₃	Minerals containing CO3, Calcite (group)	—	Rhodochrosite Rhodochrosite specimen from N'Chwaning Mines, Kuruman, Kalahari manganese field, Northern Cape Province, South Africa Photo by Chip Clark, via Smithsonian National Museum of Natural History	5	2	2	Reflectance	Carbonate , Mineral
Rhodonite	CaMn₄Si₅O₁₅	Rhodonite (group), Pyroxenoid	—	Rhodonite Rhodonite specimen from Conselheiro Lafaiete, Minas Gerais, Southeast Region, Brazil. Size: 8.4 x 5.2 x 2.8 cm. Rob Lavinsky, iRocks.com – CC-BY-SA-3.0	6	1	3	Reflectance, SXES	Mineral, Silicate
Rhomboclase	(H₅O₂)Fe^III(SO₄)₂·2H₂O	Minerals containing SO4, Minerals containing H2O	—		3	0	0	—	Mineral, Hydrated , Sulphate
Richterite	Na(NaCa)Mg₅Si₈O₂₂(OH)₂	Minerals containing OH, Richterite root name group	—	Richterite Richterite from Badakhshan (Badakshan; Badahsan) Province, Afghanistan. Size: 1.6 x 1.2 x 0.6 cm. Rob Lavinsky, iRocks.com – CC-BY-SA-3.0	0	6	0	PL, PL/XL	Mineral, Silicate , Hydroxide
Robinsonite	Pb₄Sb₆S₁₃	—	—		1	0	0	—	Mineral, Sulphide