Epididymite

Properties

Formula Na2Be2Si6O15┬ĚH2O
Abbreviation Edd
Luminescence emitter H2O
IMA Status Grandfathered (pre-IMA), 1893
Search other databases webmineral.com, mindat.org, rruf.info, mineralienatlas.de, Handbook of Mineralogy, American Mineralogist Crystal Structure Database
Related materials Eudidymite
Crystal symmetry Orthorhombic, Point group mmm, Space group Pnma (#62)
Tags Hydrated , Mineral, Silicate

Composition

Element Atoms
H 2
Na 2
Si 6
Be 2
O 16
Total: 28