Schorl Crystal Group – NERS 008

Lovely schorl crystal group with (?)dolomite crystals




Measurements:  48 x 43 x 26 mm

Description:  A lovely group of schorl crystals with the back of the specimen partly covered with (?)dolomite crystals, as well as a few bits of green (?)apatite. 

The specimen has a few nicks, with its back having a large nick.

Weight of Specimen:  81.0 g

Chemical Composition:  NaFe2+3Al6Si6O18(BO3)3(OH)4  (schorl)
                                      
CaMg(CO3)2 (dolomite)

Hardness on Mohs Scale:  (schorl)  7.5
                                           (dolomite)  3.5-4

Location:  Erongo Mountains, Erongo Region, Namibia.

Specimen Code:  NERS 008

US $ 45







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