Pennantite

Facts

Chemical formula

Mn²⁺₅Al(AlSi₃O₁₀)(OH)₈

Crystal system

Monoclinic

Elements in formula

Manganese, Aluminium, Silicon, Oxygen, Hydrogen

Number of elements

5

IMA status

Grandfathered

Type locality

Benallt Mine

Sources: Wikidata (CC0), IMA list of minerals via Wikidata · Wikidata Q3899100