Edgrewite

Properties

Formula Ca9(SiO4)4F2
Abbreviation Egr
Classification Chegemite (subgroup)
IMA Status Approved (IMA 2011-058)
Search other databases webmineral.com, mindat.org, rruf.info, mineralienatlas.de, Handbook of Mineralogy, American Mineralogist Crystal Structure Database
Tags Halide , Mineral, Silicate

Composition

Element Atoms
Si 4
O 16
F 2
Ca 9
Total: 31