Steedeite

Facts

Chemical formula

NaMn₂[Si₃BO₉](OH)₂

Crystal system

Triclinic

Elements in formula

Sodium, Manganese, Silicon, Boron, Oxygen, Hydrogen

Number of elements

6

IMA status

Approved

Type locality

Poudrette quarry

Named after

Anthony H. Steede

Sources: Wikidata (CC0), IMA list of minerals via Wikidata · Wikidata Q19861291