Beidellite

Properties

Formula (Na,Ca)0.3Al2(Si,Al)4O10(OH)2ยทnH2O
Abbreviation Bei
Classification Smectite (group)
Luminescence emitter OH
IMA Status Grandfathered (pre-IMA), 1925
Search other databases webmineral.com, mindat.org, rruf.info, mineralienatlas.de, Handbook of Mineralogy, American Mineralogist Crystal Structure Database
Crystal symmetry Monoclinic, Point group 2/m, Space group C2/m (#12)
Tags Hydrated , Hydroxide , Mineral, Aluminosilicate

Composition

Element Wt%
H 1.04
Na 2.95
Al 17.33
Si 25.25
O 53.43
Total: 100

Reference

Reference Lines Spectra Images
Ryskin 1974 1 0 0