Lazurite

Image

Crystals of lazurite with pyrite on calcite, from Ladjuar Medam, Sar-e Sang, Koksha Valley, Badakhshan Province, Afghanistan

© Photo (C) 2011 Parent Géry (via Wikimedia Commons), CC-BY-SA 3.0

Properties

Formula Na7Ca(Al6Si6O24)(SO4)(S3)·H2O
Abbreviation Lzr
Classifications Sodalite (group), Minerals containing SO4, Minerals containing H2O
Luminescence emitter S2
IMA Status Approved/redefined (IMA 2021 s.p.)
Search other databases webmineral.com, mindat.org, rruf.info, fluomin.org, mineralienatlas.de, Handbook of Mineralogy, American Mineralogist Crystal Structure Database
Crystal symmetry Cubic, Point group 43m, Space group P43n (#218)
Tags Hydrated , Mineral, Sulphate , Aluminosilicate

Composition

Element Atoms
Si 6
Ca 1
S 4
H 2
Al 6
O 29
Na 7
Total: 55

Reference

Reference
Lines Spectra Images
Tarashchan 1978 10 0 0