Augite

Image

Augite, Muhavura volcano, Ruhengeri Region, Northern Province, Rwanda

© CC BY-SA 4.0, Didier Descouens

Properties

Formula (Ca,Na)(Mg,Fe,Al,Ti)(Si,Al)2O6
Abbreviation Aug
Classification Clinopyroxene
Luminescence emitter Mn
IMA Status Approved (IMA 1988 s.p.)
Search other databases webmineral.com, mindat.org, rruf.info, fluomin.org, mineralienatlas.de, Handbook of Mineralogy, American Mineralogist Crystal Structure Database
Crystal symmetry Monoclinic, Point group 2/m, Space group C2/c (#15)
Tags Mineral, Silicate

Composition

Element Wt%
Na 0.97
Mg 9.26
Ca 15.26
Ti 2.03
Fe 4.73
Al 4.57
Si 22.58
O 40.62
Total: 100.02

References

Reference Lines Spectra Images
Bakhtin 1985 2 0 0
Gaft et al. 1979; 1981 2 0 0
Torpy et al. 2020 0 2 0