Osumilite-(Mg)

Facts

Chemical formula

KMg₂Al₃(Al₂Si₁₀)O₃₀

Crystal system

Hexagonal

Mohs hardness

6.5

Elements in formula

Potassium, Magnesium, Aluminium, Silicon, Oxygen

Number of elements

5

IMA status

Approved

Type locality

Caspar quarry

Named after

Magnesium

Sources: Wikidata (CC0), IMA list of minerals via Wikidata · Wikidata Q3886988