Material Index for the Spectroscopy Database

Material Index

Name	Formula	Classifications	Members	Image	Lines	Spectra	Techniques	Tags
Tin dioxide	SnO₂	—	Cassiterite	Tin dioxide Cassiterite specimen from Viloco Mine (Araca mine), Loayza Province, La Paz Department, Bolivia. Size: 5.0 x 4.4 x 1.3 cm. Rob Lavinsky, iRocks.com – CC-BY-SA-3.0	2	0	CL	Simple oxide , Synthetic , Compound
Tin telluride	SnTe	—	—		1	0	IR	Compound, Telluride
Tinaksite	K₂NaCa₂TiSi₇O₁₈(OH)O	Minerals containing OH	—	Tinaksite Honey-brown tinaksite crystals (7.8cm) in lilac waxy charoit, from Chara and Tokko Rivers Confluence, Aldan Shield, Sakha Republic, Russia. Size: 7.9 x 7.9 x 1.3 cm Rob Lavinsky, iRocks.com – CC-BY-SA-3.0	8	0	PL/XL	Mineral, Silicate , Hydroxide
Titanite	CaTiSiO₅	Titanite (group)	—	Titanite Titanite on amphibole, from Wannenköpfe, Ochtendung, Eifel region, Germany. Image width: 2mm 2010 Fred Kruijen (via Wikimedia Commons), CC-BY-SA-3.0	249	18	CL, CL/SEM, EDS, PL/Laser, SXES	Mineral, Silicate
Titanium	Ti	—	—	Titanium A titanium crystal bar made by the iodide process at URALREDMET in the Soviet era. It weighs 212 grams and is about 13 cm long and 2.3 cm in diameter with a purity of 99.995%. (C) 2007 Warut Roonguthai (via Wikimedia Commons). CC-BY-SA 3.0	8	2	SXES	Mineral , Metal , Element
Titanium diboride	TiB₂	—	Jingsuiite	Titanium diboride Crystal structure of TiB2. Created using Diamond 4. Data from Moehr, S; Mueller-Buschbaum, Hk; Grin, Y; Schnering, H G von H-Ti O oder Ti B2? - eine Korrektur Zeitschrift fuer Anorganische und Allgemeine Chemie, 622, 1035-1037 (1996) (C) 2017 Andif1 (via Wikimedia Commons). CC-BY-SA-4.0	0	1	SXES	Synthetic , Compound, Boride
Titanium dioxide	TiO₂	—	Rutile, Brookite, Anatase, Rutile, synthetic, Akaogiite, Riesite	Titanium dioxide Rutile specimen from Alexander County, North Carolina, USA. 2.5cm in size. Photo by Carlin Green, USGS, Public Domain	6	0	CL, PL	Simple oxide , Synthetic , Compound
Topaz	Al₂SiO₄F₂	Minerals containing SiO4	—	Topaz Topaz specimen from Minas Gerais, Brazil Photo by Chip Clark, via Smithsonian National Museum of Natural History	13	1	Reflectance	Mineral, Aluminosilicate
Tourmaline	A(D₃)G₆(Si₆O₁₈)(BO₃)₃X₃Z	—	Feruvite, Dutrowite, Fluor-liddicoatite, Schorl, Vanadio-oxy-chromium-dravite, Oxy-chromium-dravite, Chromo-alumino-povondraite, Uvite, Adachiite, Fluor-elbaite, Vanadio-oxy-dravite, Oxy-schorl, Alumino-oxy-rossmanite, Tsilaisite, Rossmanite, Fluor-buergerite, Fluor-tsilaisite, Elbaite, Magnesio-foitite, Dravite, Lucchesiite, Princivalleite, Foitite, Chromium-dravite, Dravite-Schorl (series), Darrellhenryite, Fluor-uvite, Povondraite, Celleriite, Olenite, Oxy-foitite, Fluor-schorl, Magnesio-lucchesiite, Oxy-dravite, Bosiite, Fluor-dravite, Oxy-vanadium-dravite, Maruyamaite	Tourmaline Crystal of schorl (tourmaline) with muscovite, from granite quarry, 10 km south-south-west of Lake Boga, Victoria, Australia. Specimen M 30758, Museums Victoria Photo by Frank Coffa, Copyright Museums Victoria / CC BY (Licensed as Attribution 4.0 International)	16	0	PL, PL/XL, Reflectance	Borate , Silicate, Group
Tremolite	☐Ca₂(Mg_5.0-4.5Fe^II_0.0-0.5)Si₈O₂₂(OH)₂	Ferro-actinolite-Tremolite (series), Minerals containing OH, Tremolite root name group	—	Tremolite Tremolite from Mt Ibity, Antananarivo Province, Madagascar Rob Lavinsky, iRocks.com – CC-BY-SA-3.0	10	2	Reflectance	Mineral, Silicate , Hydroxide
Tridymite	SiO₂	Silica	—	Tridymite A common form of Tridymite, ultra thin colorless tabulars (image width: 1,1 mm) - Locality: Wannenköpfe, Ochtendung, Eifel region, Germany Photo by Fred Kruijen (via Wikimedia Commons), CC-BY-SA 3.0	2	1	CL	Mineral, Simple oxide
Trioctahedral sheet silicate	—	—	Smectite, Fe		4	0	Reflectance	Group , Silicate, Informal
Triplite	Mn^II₂(PO₄)F	Minerals containing PO4	—	Triplite Triplite gem (2.6 ct) from Pakistan Photo by Greg Polley, via Smithsonian National Museum of Natural History	3	0	PL, PL/XL	Mineral, Phosphate , Orthophosphate
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	38	1	CL	Mineral, Aluminosilicate
Tuite	(Ca,Pb)₃(PO₄)₂, Ca₃(PO₄)₂	Minerals containing PO4	—		1	0	PL	Mineral, Orthophosphate , Phosphate