Ferro-glaucophane

Facts

Chemical formula

☐Na₂(Fe²⁺₃Al₂)Si₈O₂₂(OH)₂

Crystal system

Monoclinic

Mohs hardness

6.0

Elements in formula

Sodium, Iron, Aluminium, Silicon, Oxygen, Hydrogen

Number of elements

6

IMA status

Redefined

Named after

iron(II)

Sources: Wikidata (CC0), IMA list of minerals via Wikidata · Wikidata Q3743239