Gehlenite [ Ca2Al(SiAl)O7 ]

Material properties

Formula Ca2Al(SiAl)O7
Abbreviation Gh
IMA Status Grandfathered (pre-IMA), 1815
Crystal symmetry Tetragonal, Point group 42m, Space group P421m (#113)
Classification Åkermanite-Gehlenite (series)
Reflectance line Unspecified
Search other databases webmineral.com, mindat.org, rruf.info, mineralienatlas.de, Handbook of Mineralogy, American Mineralogist Crystal Structure Database
Tags Aluminosilicate, Mineral

Composition

Element Atoms
O 7
Si 1
Al 2
Ca 2
Total: 12