Emerald [ Be3Al2Si6O18:Cr,V ]

Image of Emerald

Material properties

Formula Be3Al2Si6O18
Classification Beryl
Luminescence emitter Cr
Search other databases webmineral.com, mindat.org, rruf.info, mineralienatlas.de, Handbook of Mineralogy, American Mineralogist Crystal Structure Database
Crystal symmetry Hexagonal, Point group 6/mmm, Space group P6/mcc (#192)
Tags Variety, Aluminosilicate

Composition

Element Atoms
Si 6
Al 2
O 18
Be 3
V ?
Cr ?

References for Emerald

Reference
Lines Spectra Images
Burns et al. 1965 2 0 0
Tarashchan 1978 2 0 0

Specimens of Emerald

Name Owner Materials Image Spectra Techniques