Tourmaline : CSIRO Spectroscopy Database

Tourmaline [ A(D₃)G₆(Si₆O₁₈)(BO₃)₃X₃Z ]

Images of 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)

Image of a specimen of tourmaline from Minas Gerais, Brazil. Size: 6cm

Photo (C) 2003 James O. Hamblen (http://hamblen.ece.gatech.edu/uvminerals/). Reproduced with permission.

Shortwave UV photoluminescence image of a specimen of tourmaline from Minas Gerais, Brazil. Size: 6cm

Photo (C) 2003 James O. Hamblen (http://hamblen.ece.gatech.edu/uvminerals/). Reproduced with permission.

Image of a specimen of Tourmaline from Minas Gerais, Brazil. Size: 6cm

Photo (C) 2003 James O. Hamblen (http://hamblen.ece.gatech.edu/uvminerals/). Reproduced with permission.

Shortwave UV photoluminescence image of a specimen of tourmaline from Minas Gerais, Brazil. Size: 6cm

Photo (C) 2003 James O. Hamblen (http://hamblen.ece.gatech.edu/uvminerals/). Reproduced with permission.

Material properties

Formula	A(D₃)G₆(Si₆O₁₈)(BO₃)₃X₃Z
Abbreviation	Tur
Variants	pink, green
Members	Magnesio-lucchesiite, Magnesio-foitite, Foitite, Rossmanite, Celleriite, Chromo-alumino-povondraite, Fluor-uvite, Oxy-schorl, Dutrowite, Uvite, Fluor-elbaite, Fluor-tsilaisite, Chromium-dravite, Olenite, Oxy-chromium-dravite, Povondraite, Vanadio-oxy-dravite, Schorl, Dravite-Schorl (series), Vanadio-oxy-chromium-dravite, Oxy-dravite, Darrellhenryite, Dravite, Bosiite, Lucchesiite, Adachiite, Fluor-dravite, Oxy-foitite, Feruvite, Fluor-liddicoatite, Elbaite, Princivalleite, Fluor-schorl, Maruyamaite, Tsilaisite, Alumino-oxy-rossmanite, Fluor-buergerite, Oxy-vanadium-dravite
Luminescence emitters	Al centres, B-O, BO3, Fe, Mn, M[n]OH, OH, Si[I] centre, Si[II] centre, Unspecified
Spectra	Reflectance (3)
IMA Status	Approved group
Search other databases	webmineral.com, mindat.org, rruf.info, mineralienatlas.de, Handbook of Mineralogy, American Mineralogist Crystal Structure Database
Crystal symmetry	Trigonal
Tags	Group , Silicate, Borate

Composition

☐, H, Mg, Ca, Mn, Fe, Si, O, F, V, Al, Li, Na, K, Ti, Cr, Pb, B

References for Tourmaline

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Kuznetsov and Tarashchan 1988

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Laukamp et al. 2021

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CSIRO Reflectance (2025)

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Tarashchan 1978

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Specimens of Tourmaline

Name	Owner	Materials	Image	Spectra	Techniques
M1070 Tourmaline	CSIRO	Calcite, Dravite, Tourmaline	M1070 Tourmaline Image of Dravite and Calcite in specimen 'M1070 Dravite' [CSIRO]. (C) 2026 CSIRO Mineral Resources. All rights reserved.	1	Reflectance
M1362 Tourmaline	CSIRO	Fluor-uvite, Hematite, Ilmenite, Magnetite, Tourmaline	M1362 Tourmaline Image of Tourmaline in specimen 'M1362 Tourmaline' [CSIRO]. (C) 2026 CSIRO Mineral Resources. All rights reserved.	2	Reflectance
Tourmaline (Brazil)	Hamblen, Prof James O., Georgia Tech	Tourmaline	Tourmaline (Brazil) Image of a specimen of Tourmaline from Minas Gerais, Brazil. Size: 6cm Photo (C) 2003 James O. Hamblen (http://hamblen.ece.gatech.edu/uvminerals/). Reproduced with permission.	0	—