Material Index for the Spectroscopy Database

Material Index

Name	Formula	Classifications	Members	Image	Lines	Spectra	Techniques	Tags
Tugtupite	Na₄BeAlSi₄O₁₂Cl	Sodalite (group)	—	Tugtupite Luminescence of tugtupite under longwave UV illumination, from Tunulliarfik Fjord, IlÍmaussaq complex, Narsaq, Kujalleq, Greenland © Photo by Géry PARENT (via Wikimedia Commons). CC-BY-SA 4.0	39	1	CL	Mineral, Aluminosilicate
Tungsten	W	—	—		16	2	SXES	Metal , Mineral , Element
Turkestanite	(K,☐)(Ca,Na)₂ThSi₈O₂₀·nH₂O	—	—		2	0	—	Hydrated , Mineral, Silicate
Turneaureite	Ca₅(AsO₄)₃Cl	Apatite (group)	—		0	0	—	Arsenate , Mineral, Halide
Turquoise	CuAl₆(PO₄)₄(OH)₈·4H₂O	—	—	Turquoise Turquoise from La Mariquita Mine, Cuitaca, Municipio de Cananea, Sonora, Mexico. Size: 5.2 x 3.6 x 2.6 cm. © Rob Lavinsky, iRocks.com – CC-BY-SA-3.0	3	0	—	Mineral, Hydroxide , Hydrated , Phosphate , Orthophosphate
Tveitite-(Y)	(Y,Na)₆(Ca,Na,REE)₁₂(Ca,Na)F₄₂	REE fluoride	—		0	0	—	Mineral, Halide
Tweddillite	CaSr(Mn^III₂Al)[Si₂O₇][SiO₄]O(OH)	Epidote (group)	—		0	0	—	Mineral, Aluminosilicate , Hydroxide
Tyuyamunite	Ca(UO₂)₂(VO₄)₂·5-8H₂O	Carnotite (group)	—	Tyuyamunite Specimen of Tyuyamunite from Ridenaur Mine, Coconino County, Arizona, USA © Photo by Leon Hupperichs (via Wikimedia Commons), CC-BY-SA 3.0	3	0	—	Uranyl , Mineral, Hydrated , Vanadate
Uedaite-(Ce)	Mn^IICe(Al₂Fe^II)[Si₂O₇][SiO₄]O(OH)	Allanite (group)	—		0	0	—	Mineral, Aluminosilicate , Hydroxide
Ulexite	NaCaB₅O₆(OH)₆·5H₂O	—	—	Ulexite Ulexite on calcite, from Boron, Kramer District, Kern County, California, USA. Size: 6.9 x 5 x 3.1 cm © Rob Lavinsky, iRocks.com – CC-BY-SA-3.0	6	0	—	Mineral, Hydroxide , Hydrated
Umbite	K₂ZrSi₃O₉·H₂O	—	—	Umbite Pinkish white crystals of the rare zirconium mineral umbite named after the Lake Umb, 20km east of the type occurrence in Vuonnemiok River Valley (Khibiny Massif, Murmansk Oblast, Russian Federation) © Photo by David Hospital (via Wikimedia Commons), CC-BY-SA 4.0	2	0	—	Mineral, Silicate , Hydrated
Umohoite	(UO₂)(MoO₄)·2H₂O	Uranyl molybdate	—	Umohoite Red-brown Umohoite from Mas d´Allary, Herault, Languedoc-Roussillon, France, FOV: 1.5 mm © Photo (C) 2016 Weirdmeister (via Wikimedia Commons), CC-BY-SA 4	3	0	—	Uranyl , Mineral, Hydrated , Molybdate
Uramarsite	(NH₄)(UO₂)(AsO₄)·3H₂O	Meta-autunite (group)	—		0	0	—	Hydrated , Mineral, Ammonium , Uranyl , Arsenate
Uramphite	(NH₄)(UO₂)(PO₄)·3H₂O	Meta-autunite (group)	—		0	0	—	Hydrated , Uranyl , Mineral, Phosphate , Orthophosphate , Ammonium
Uraninite	UO₂	Uranium dioxide, Uraninite (group)	—	Uraninite Uraninite specimen from Swamp #1 quarry, Topsham, Sagadahoc County, Maine, USA. Size: 2.7 x 2.4 x 1.4 cm © Rob Lavinsky, iRocks.com – CC-BY-SA-3.0	0	1	SXES	Uranyl , Mineral, Simple oxide