Gypsum

Facts

Chemical formula

CaSO₄·2H₂O

Crystal system

Monoclinic

Mohs hardness

2.0

Density

2.32 g/cm³

Elements in formula

Calcium, Sulfur, Oxygen, Hydrogen

Number of elements

4

IMA status

Grandfathered

Sources: Wikidata (CC0), IMA list of minerals via Wikidata · Wikidata Q82658