Chalcophyllite

Facts

Chemical formula

Cu₁₈Al₂(AsO₄)₄(SO₄)₃(OH)₂₄·36H₂O

Crystal system

Trigonal

Mohs hardness

2.0

Elements in formula

Copper, Aluminium, Arsenic, Oxygen, Sulfur, Hydrogen

Number of elements

6

IMA status

Grandfathered

Named after

Copper

Sources: Wikidata (CC0), IMA list of minerals via Wikidata · Wikidata Q420293