Pyrrhotite

Facts

Chemical formula

Fe₇S₈

Crystal system

Hexagonal

Mohs hardness

4.0

Elements in formula

Iron, Sulfur

Number of elements

2

IMA status

Grandfathered

Named after

fire

Colour

brown

Sources: Wikidata (CC0), IMA list of minerals via Wikidata · Wikidata Q421944