Petalite

Image

Petalite from Araçuaí, Jequitinhonha Valley, Minas Gerais, Brazil. Approximately 12 cm x 9 cm.

© Photo by Stephen E. Fritz (via Wikimedia Commons), CC-BY 3.0

Properties

Formula LiAlSi4O10
Abbreviation Ptl
Luminescence emitters Fe, Mn, O, Tl, Unspecified
Spectra Reflectance (2)
IMA Status Grandfathered (pre-IMA), 1800
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
Al 1
O 10
Si 4
Li 1
Total: 16

References

Reference
Lines Spectra Images
Kuznetsov and Tarashchan 1988 5 0 0
Prokofiev et al. 1979 5 0 0
CSIRO Reflectance 2025b 0 2 0