Fredrikssonite

Facts

Chemical formula

Mg₂Mn³⁺O₂(BO₃)

Crystal system

Orthorhombic

Mohs hardness

6.0

Elements in formula

Magnesium, Manganese, Oxygen, Boron

Number of elements

4

IMA status

Approved

Type locality

Långban

Named after

Kurt A. Fredriksson

Sources: Wikidata (CC0), IMA list of minerals via Wikidata · Wikidata Q3752851