Material Index for the Spectroscopy Database

Material Index

Name	Formula	Classifications	Members	Image	Specimens	Lines	Spectra	Techniques	Tags
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	1	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	0	1	SXES	Synthetic , Compound, Boride
Titanium dioxide	TiO₂	—	Anatase, Brookite, Akaogiite, Riesite, Rutile (var. synthetic), Rutile	Titanium dioxide Rutile specimen from Alexander County, North Carolina, USA. 2.5cm in size. Photo by Carlin Green, USGS, Public Domain	0	10	4	CL, CL/SEM, EDS, SXES	Simple oxide , Synthetic , Compound
Titanohematite	xFe₂O₃(1-x)FeTiO₃	Hematite	—		1	0	1	EDS	Variety, Titanate
Topaz	Al₂SiO₄F₂	Minerals containing SiO4	—	Topaz Topaz with lepidolite specimen from Minas Gerais, Brazil Photo by Chip Clark, via Smithsonian National Museum of Natural History	2	13	1	Reflectance	Mineral, Aluminosilicate
Tourmaline	A(D₃)G₆(Si₆O₁₈)(BO₃)₃X₃Z	—	Bosiite, Chromo-alumino-povondraite, Darrellhenryite, Fluor-uvite, Tsilaisite, Schorl, Maruyamaite, Fluor-dravite, Fluor-tsilaisite, Celleriite, Elbaite, Fluor-buergerite, Adachiite, Olenite, Dravite-Schorl (series), Oxy-chromium-dravite, Foitite, Rossmanite, Oxy-vanadium-dravite, Lucchesiite, Uvite, Vanadio-oxy-dravite, Povondraite, Fluor-elbaite, Fluor-schorl, Magnesio-lucchesiite, Oxy-dravite, Chromium-dravite, Fluor-liddicoatite, Dutrowite, Vanadio-oxy-chromium-dravite, Magnesio-foitite, Dravite, Alumino-oxy-rossmanite, Feruvite, Princivalleite, Oxy-foitite, Oxy-schorl	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)	3	23	6	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	10	2	Reflectance	Mineral, Silicate , Hydroxide
Tremolite root name group	◻Ca₂(Mg_4.5-5M^II_0-0.5)Si₈O₂₂(OH,F,Cl)₂, M= Fe^II,Mn^II	Calcium amphibole	Tremolite, Tremolite (var. fibrous), Fluoro-tremolite		0	10	2	Reflectance	Group , Silicate
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	1	2	1	CL	Mineral, Simple oxide
Trigodomeykite	Cu₃As	—	—		1	0	0	—	Mineral, Arsenide
Trioctahedral sheet silicate	—	—	Smectite (var. Fe)		0	5	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	0	3	0	PL, PL/XL	Mineral, Phosphate , Orthophosphate
Triploidite	Mn^II₂(PO₄)(OH)	Minerals containing OH, Minerals containing PO4	—		1	0	0	—	Hydroxide , Mineral, Orthophosphate , Phosphate
Troilite	FeS	Pyrrhotite (group)	—		1	0	0	—	Mineral, Sulphide
Trona	Na₃(HCO₃)(CO₃)·2H₂O	Minerals containing H2O, Minerals containing HCO3, Minerals containing CO3	—	Trona Photograph of a specimen of trona from Owens Lake, Inyo County, California. Size: 12cm Photo (C) 2003 James O. Hamblen (http://hamblen.ece.gatech.edu/uvminerals/). Reproduced with permission.	1	0	0	—	Carbonate , Mineral, Hydrated