Cummingtonite

Properties

Formula ☐Mg2Mg5Si8O22(OH)2
Abbreviation Cum
Classifications Mg-Fe-Mn amphibole, Cummingtonite-Grunerite (series)
Luminescence emitter OH
IMA Status Approved/redefined (IMA 2012 s.p.)
Search other databases webmineral.com, mindat.org, rruf.info, mineralienatlas.de, Handbook of Mineralogy, American Mineralogist Crystal Structure Database
Related materials Anthophyllite, Proto-anthophyllite
Tags Hydroxide , Mineral, Silicate

Composition

Element Atoms
H 2
1
O 24
Si 8
Mg 7
Total: 42