Talc


Composition: Mg3Si4O10(OH)2
Crystal System : Moniclinic; Triclinic
Colours: Colourless, pale-green, white, grey, brown, dark-green
Lustre : Pearly, greasy
Hardness (H) : 1
Specific Gravity (S.G) : 2.58-2.83

Distribution

Common (?).

Paragenetic and General Notes

Talc is listed as a common mineral at Tsumeb by Lombaard et al. (1986).