Schorl Crystal Group – NERS 015

Schorl crystal group with feldspar at the bottom

Measurements:  43 x 33 x 23 mm

Description:  A group of schorl crystals with feldspar at the bottom. 

There is some damage to the edges of the specimen.

Weight of Specimen:  34.6 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 015

US $ SOLD

                          






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