Valleriite

Facts

Chemical formula

2[(Fe,Cu)S]·1.53[(Mg,Al)(OH)₂]

Crystal system

Trigonal

Elements in formula

Iron, Copper, Sulfur, Magnesium, Aluminium, Oxygen, Hydrogen

Number of elements

7

IMA status

Grandfathered

Named after

Johan Gottschalk Wallerius

Sources: Wikidata (CC0), IMA list of minerals via Wikidata · Wikidata Q4008213