Schorl Specimen with Numerous Terminations – NERS 006

Schorl crystal group with multiple terminations

Measurements:  101 x 75 x 64 mm

Description:  A group of schorl crystals (variety foitite) with numerous terminations. The specimen is partially covered with feldspar, in shades of light cream and brownish. It has a pressure mark and a contact mark.

Weight of Specimen:  658 g

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

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

Location:  Erongo Mountains, Erongo Region, Namibia.

Specimen Code:  NERS 006

US $ 150




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