Schorl Crystal Group – NERS 010

Lovely schorl crystal group

Measurements:  35 x 29 x 16 mm

Description:  A lovely group of schorl crystals with bits of feldspar. Some of the crystals have minute nicks, while others have pressure / contact marks and nicks.

Weight of Specimen:  15.5 g

Chemical Composition:  NaFe2+3Al6Si6O18(BO3)3(OH)4  (schorl)
                                       KAlSi3O8  (feldspar)  

Hardness on Mohs Scale:  (schorl)  7.5
                                          (feldspar)  6 - 6.5

Location:  Erongo Mountains, Erongo Region, Namibia.

Specimen Code:  NERS 010

US $ SOLD

                             

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