Topaz

Image

Topaz specimen from Minas Gerais, Brazil

© Photo by Chip Clark, via Smithsonian National Museum of Natural History

Properties

Formula Al2SiO4F2
Abbreviation Tpz
Luminescence emitters Cr, Ti, Unspecified
IMA Status Grandfathered (pre-IMA), antiquity
Search other databases webmineral.com, mindat.org, rruf.info, fluomin.org, mineralienatlas.de, Handbook of Mineralogy, American Mineralogist Crystal Structure Database
Tags Mineral, Aluminosilicate

Composition

Element Atoms
Si 1
Al 2
O 4
F 2
Total: 9

References

Reference Lines Spectra Images
Agangi et al. 2018 1 0 0
Gaft et al. 1998 4 0 0