Amarantite

Facts

Chemical formula

Fe³⁺₂O(SO₄)₂·7H₂O

Crystal system

Triclinic

Mohs hardness

2.5

Elements in formula

Iron, Oxygen, Sulfur, Hydrogen

Number of elements

4

IMA status

Grandfathered

Type locality

Caracoles

Sources: Wikidata (CC0), IMA list of minerals via Wikidata · Wikidata Q454926