Fayalite

TSNB127
Mineral
Country rocks (kersantite)Rock-forming (igneous)

Mineral Species

Fayalite

Type Locality

No

Composition

Fe2+2SiO4

Crystal System

Orthorhombic

Status at Tsumeb

Believed valid

Abundance

Somewhat rare

Distribution

Country rocks (kersantite)

Paragenesis

Rock-forming (igneous)

Entry Number

Species; TSNB127

General Notes

According to Söhnge (1964) olivine (composition unspecified) is a component of the kersantite sills and dykes that transgress the upper portion of the Tsumeb ore body.


Lombaard et al. (1986) and Gebhard (1999) considered fayalite "rare" at Tsumeb.

Associated Minerals

anatase; albite; anorthite; biotite series; fayalite; magnetite; pyrite