Eudidymite

Image

A eudidymite fan" with dark green aegirine crystals, from Poudrette quarry, Mont Saint-Hilaire, Rouville RCM, Montérégie, Québec, Canada - FOV 3.1 x 1.8 mm

© Photo by Modris Baum (via wikimedia.org), Public Domain

Properties

Formula Na2Be2Si6O15·H2O
Abbreviation Edy
Classification Minerals containing H2O
Luminescence emitter Mn
IMA Status Grandfathered (pre-IMA), 1887
Search other databases webmineral.com, mindat.org, rruf.info, fluomin.org, mineralienatlas.de, Handbook of Mineralogy, American Mineralogist Crystal Structure Database
Related materials Epididymite
Tags Mineral, Silicate , Hydrated

Composition

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

Reference

Reference
Lines Spectra Images
Gorobets and Prokofiev 1981 2 0 0