Sewardite

Facts

Chemical formula

CaFe³⁺₂(AsO₄)₂(OH)₂

Mohs hardness

3.5

Density

4.16 g/cm³

Elements in formula

Calcium, Iron, Arsenic, Oxygen, Hydrogen

Number of elements

5

IMA status

Approved

Type locality

Tsumeb Mine

Named after

Terry M. Seward

Sources: Wikidata (CC0), IMA list of minerals via Wikidata · Wikidata Q3958552