Yofortierite

Facts

Chemical formula

Mn²⁺₅Si₈O₂₀(OH)₂·7H₂O

Crystal system

Monoclinic

Mohs hardness

2.5

Elements in formula

Manganese, Silicon, Oxygen, Hydrogen

Number of elements

4

IMA status

Approved

Type locality

Poudrette quarry

Named after

Yves Fortier

Sources: Wikidata (CC0), IMA list of minerals via Wikidata · Wikidata Q4022804