Ferro-ferri-hornblende

Properties

Formula ☐Ca2(FeII4FeIII)(Si7Al)O22(OH)2
Abbreviation Ffhbl
Classification Hornblende root name group
IMA Status Approved (IMA 2015-054)
Search other databases webmineral.com, mindat.org, rruf.info, mineralienatlas.de, Handbook of Mineralogy, American Mineralogist Crystal Structure Database
Tags Hydroxide , Mineral, Silicate

Composition

Element Atoms
Al 1
Ca 2
H 2
1
Si 7
Fe 5
O 24
Total: 42