Danburite : CSIRO Spectroscopy Database

Danburite [ CaB₂Si₂O₈ ]

Images of Danburite

Image of PL/Laser spectrum of Danburite

Image of PL/Laser spectrum of Danburite

Danburite specimen from Madagascar

Photo by Ken Larsen, via Smithsonian National Museum of Natural History

Material properties

Formula	CaB₂Si₂O₈
Abbreviation	Dbu
Luminescence emitters	Ce, Eu, Gd, O, Yb
Spectra	Luminescence (2), Reflectance (1)
IMA Status	Grandfathered (pre-IMA), 1839
Search other databases	webmineral.com, mindat.org, rruf.info, fluomin.org, mineralienatlas.de, Handbook of Mineralogy, American Mineralogist Crystal Structure Database
Tags	Mineral, Borosilicate

Composition

Element	Atoms
Ca	1
O	8
Si	2
B	2
Total:	13

References for Danburite

Gaft et al. 1979; 1981

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Gaft et al. 2005

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CSIRO Reflectance 2025b

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Specimens of Danburite

Name	Owner	Materials	Image	Spectra	Techniques
MES126 Danburite	CSIRO	Calcite, Danburite, Quartz	MES126 Danburite Image of Danburite, Calcite and Quartz in specimen 'MES126 Danburite' [CSIRO], from Aurora Mine, Charcas, San Luis Potosí, Mexico (C) 2025 CSIRO Mineral Resources. All rights reserved.	1	Reflectance
MES301 Danburite	CSIRO	Calcite, Danburite, Dundasite, Quartz	MES301 Danburite Image of Dundasite, Calcite, Danburite and Quartz in specimen 'MES301 Danburite' [CSIRO]. (C) 2026 CSIRO Mineral Resources. All rights reserved.	1	Reflectance