Rhodochrosite


Composition:

MnCO3

Crystal System : Trigonal
Colours: Pink, rose, red, yellowish-grey, brown, white, gray; colourless to pale rose in transmitted light.
Lustre : Vitreous
Hardness (H) : 3.5-4.0
Specific Gravity (S.G) : 3.6

 

Distribution

Extremely rare.

Occurrence

  • Supergene

Paragenetic and General Notes

Two specimens of Tsumeb rhodochrosite are figured on mindat.org:

(1) A specimen of pink, scalenohedral rhodochrosite with crystals to 11 mm, associated with tsumcorite, on galena, (ex-Desmond Sacco material, ex Fabre Minerals) is shown as photo I.D. 313243. (http://www.mindat.org/photo-313243.html;  accessed May 2015).

(2) A specimen in the collection of Robert Meyer, Photo I.D. 14771, shows two scalenohedra of rhodochrosite (to 2 mm) with wulfenite, on chalcocite (http://www.mindat.org/photo-14771.html; accessed May 2015).