Mineral Species
Tourmaline supergroup
Type Locality
No
Composition
--
Crystal System
Trigonal
Status at Tsumeb
Believed valid
Abundance
Very rare
Distribution
Country rocks (feldspathic sandstone)
Paragenesis
Rock-forming (detrital)
Entry Number
Species; TSNB354
General Notes
Lombaard et al. (1986) listed tourmaline as an accessory mineral of detrital origin in the feldspathic sandstone, derived from sediments of the Mulden Group.
Associated Minerals
albite; almandine; anorthite; biotite series; calcite; clinochlore; epidote; fluorapatite; graphite; ilmenite; magnetite; microcline; montmorillonite; muscovite; orthoclase; quartz; rutile; titanite; zircon
