Magnesite


Composition: MgCO3
Crystal System : Trigonal
Colours: Colourless, white, grey, pale-yellow
Lustre : Vitreous, dull
Hardness (H) : 3.5-4.5
Specific Gravity (S.G) : 3.0-3.1

Distribution

Extremely rare. Questionable occurrence at Tsumeb.

Occurrence

  • Country Rock

Paragenetic and General Notes

Pinch and Wilson (1977) list magnesite simply as "a mineral of the country rock". It is listed by Lombaard et al. (1986) and by Gebhard (1999), but both authors consider its occurrence to be questionable.