Rhodochrosite Crystals on Matrix - SKMF 042

Measurements:  41 x 21 x 14 mm

Description:  Sparkling orangy-red rhodochrosite crystals on a layer of pink rhodochrosite, all on a matrix of manganite. There are bits of manganite scattered on the rhodochrosite.

There are some natural pressure marks present. The specimen has been trimmed at the bottom, to display better, in a horizontal  position.

Weight of Specimen:  28.0 g

Chemical Composition:  Mn²⁺(CO₃)  (rhodochrosite)  
                                        Mn³⁺O(OH)  (manganite) 

Hardness on Mohs Scale:   (rhodochrosite)  3                                                                                  (manganite)  4 

Location:  N'Chwaning 2, Kalahari Manganese Fields, Kuruman area, South Africa.

Specimen Code:  SKMF 042