Middendorfite

Facts

Chemical formula

K₃Na₂Mn₅Si₁₂(O,OH)₃₆·2H₂O

Crystal system

Monoclinic

Elements in formula

Potassium, Sodium, Manganese, Silicon, Oxygen, Hydrogen

Number of elements

6

IMA status

Approved

Type locality

Kirovskii apatite mine

Sources: Wikidata (CC0), IMA list of minerals via Wikidata · Wikidata Q19861031