Schorl Crystal Group with Feldspar NAM 033

Big schorl crystal group with feldspar sprinkling

Measurements:  130 x 120 x 115 mm  

Description:  A beautiful, big schorl crystal group (variety foitite) with multiple terminations and shiny facets among a generous sprinkling of white feldspar. 

The specimen has no mentionable damage, only a few contact marks. It displays well on a flat surface, all-round.

Weight of Specimen:  1 592 g (1.592 kg)

Chemical Composition:  NaFe2+3Al6Si6O18(BO3)3(OH)4  (schorl)
                                       KAlSi3O
8  (feldspar)                             

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

Location:  Erongo Mountains, Erongo Region, Namibia.

Specimen Code:  NAM 033

R 3 600
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