Armangite

Facts

Chemical formula

Mn²⁺₂₆As³⁺₁₈O₅₀(CO₃)(OH)₄

Crystal system

Trigonal

Elements in formula

Manganese, Arsenic, Oxygen, Carbon, Hydrogen

Number of elements

5

IMA status

Grandfathered

Type locality

Långban

Named after

Arsenic

Sources: Wikidata (CC0), IMA list of minerals via Wikidata · Wikidata Q3623016