Cronstedtite

Facts

Chemical formula

Fe²⁺₂Fe³⁺((Si,Fe³⁺)₂O₅)(OH)₄

Mohs hardness

3.5

Elements in formula

Iron, Silicon, Oxygen, Hydrogen

Number of elements

4

IMA status

Grandfathered

Type locality

Příbram District

Named after

Axel Fredrik Cronstedt

Sources: Wikidata (CC0), IMA list of minerals via Wikidata · Wikidata Q2706053