Helvite

Image

12 mm crystal of Helvite (orange) in matrix of feldspar (pink) with microcrystals of muscovite (green), from Tongbai County, Nanyang Prefecture, Henan Province, China

© Rob Lavinsky, iRocks.com – CC-BY-SA-3.0

Properties

Formula Mn4Be3(SiO4)3S
Luminescence emitter Mn
Search other databases webmineral.com, mindat.org, rruf.info, fluomin.org, mineralienatlas.de, Handbook of Mineralogy, American Mineralogist Crystal Structure Database
Related materials Helvine
Tags Silicate, Sulphide

Composition

Element Atoms
S 1
Si 3
Be 3
O 12
Mn 4
Total: 23

Reference

Reference Lines Spectra Images
Gaft et al. 1981b 1 0 0