Pennantite

Properties

Formula MnII5Al(Si3Al)O10(OH)8
Abbreviation Pnn
Classification Chlorite (group)
Luminescence emitter Cr
IMA Status Grandfathered (pre-IMA), 1946
Search other databases webmineral.com, mindat.org, rruf.info, fluomin.org, mineralienatlas.de, Handbook of Mineralogy, American Mineralogist Crystal Structure Database
Crystal symmetry Triclinic
Tags Hydroxide , Mineral, Aluminosilicate

Composition

Element Atoms
Si 3
Al 2
Mn 5
O 18
H 8
Total: 36

Reference

Reference Lines Spectra Images
Kuznetsov et al. 1991 3 0 0