Andalusite

Facts

Chemical formula

Al₂SiO₅

Crystal system

Orthorhombic

Mohs hardness

7.5

Density

3.15 g/cm³

Elements in formula

Aluminium, Silicon, Oxygen

Number of elements

3

IMA status

Grandfathered

Named after

Andalusia

Sources: Wikidata (CC0), IMA list of minerals via Wikidata · Wikidata Q192637