Ferro-ferri-hornblende

Facts

Chemical formula

☐Ca₂(Fe²⁺₄Fe³⁺)(Si₇Al)O₂₂(OH)₂

Crystal system

Monoclinic

Elements in formula

Calcium, Iron, Silicon, Aluminium, Oxygen, Hydrogen

Number of elements

6

IMA status

Approved

Named after

iron(II)

Sources: Wikidata (CC0), IMA list of minerals via Wikidata · Wikidata Q17394623