Spessartine : CSIRO Spectroscopy Database

Spessartine [ Mn^II₃Al₂(SiO₄)₃ ]

Images of Spessartine

Specimen of spessartine, from Broken Hill, New South Wales, Australia. Specimen M 37302, Museums Victoria

Photo by Sarah McCaffrey, Copyright Museums Victoria / CC BY (Licensed as Attribution 4.0 International)

CL spectrum of Spessartine from Tasmania

(C) 2023 CSIRO Mineral Resources

Material properties

Formula	Mn^II₃Al₂(SiO₄)₃
Abbreviation	Sps
Classifications	Minerals containing SiO4, Garnet
Luminescence emitters	Fe, Mn
Spectra	Luminescence (1), Reflectance (1)
IMA Status	Grandfathered (pre-IMA), 1832
Search other databases	webmineral.com, mindat.org, rruf.info, mineralienatlas.de, Handbook of Mineralogy, American Mineralogist Crystal Structure Database
Crystal symmetry	Cubic, Point group m3m, Space group Ia3d (#230)
Tags	Mineral, Aluminosilicate

Composition

Element	Atoms
O	12
Al	2
Si	3
Mn	3
Total:	20

References for Spessartine

CSIRO R-2022-01

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1

Kuznetsov and Tarashchan 1988

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CSIRO Reflectance (2025)

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Specimens of Spessartine

Name	Owner	Materials	Image	Spectra	Techniques
M2514 Spessartine	CSIRO	Galena, Quartz, Spessartine	M2514 Spessartine Image of Spessartine, Galena and Quartz in specimen 'M2514 Spessartine' [CSIRO]. (C) 2026 CSIRO Mineral Resources. All rights reserved.	1	Reflectance