Chalcocite

Facts

Chemical formula

Cu₂S

Crystal system

Monoclinic

Mohs hardness

2.8

Density

5.65 g/cm³

Elements in formula

Copper, Sulfur

Number of elements

2

IMA status

Grandfathered

Named after

Copper

Sources: Wikidata (CC0), IMA list of minerals via Wikidata · Wikidata Q278106