Rhodochrosite Crystals on Matrix - SKMF 014


Truly amazing quartz specimen from the Kalahari Manganese Fields, SA





Measurements:  106 x 62 x 51 mm

Description:  Aggregates of tiny rhodochrosite crystals with a pinkish / lavender colouring, sit on a conglomerate matrix. The bottom and sides of the specimen also have a few small, exposed geodes. The upper right image is of a tiny geode that measures about 12 mm across, situated at the side of the specimen. The yellow are bits of clay.

The rhocochrosite has a few small nicks, and damage to the edges. 

This specimen was found at the N'Chwaning 1 mine in January 2014.

Weight of Specimen:  290 g 

Chemical Composition:  SiO2  (quartz and citrine)
                                    CaCO3  (calcite)  
                                  
  Mn3+O(OH)  (manganite)

Hardness on Mohs Scale:
 (quartz and citrine)  7 
                                        (calcite)  3
                                        
(manganite)  

Location:  
N'Chwaning 1, Kalahari Manganese Fields, Northern Cape, South Africa.

Specimen Code:
 SKMF 014

US $ 150

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