Barroisite

Facts

Chemical formula

☐NaCa[Mg₃Al₂](Si₇Al)O₂₂(OH)₂

Crystal system

Monoclinic

Mohs hardness

5.5

Elements in formula

Sodium, Calcium, Magnesium, Aluminium, Silicon, Oxygen, Hydrogen

Number of elements

7

IMA status

Redefined

Named after

Charles Barrois

Sources: Wikidata (CC0), IMA list of minerals via Wikidata · Wikidata Q3613401