Schorl Crystal – NERS 025

Schorl crystal with interesting termination facets

Measurements:  43 x 40 x 40 mm  

Description:  A well-formed schorl crystal with an interesting termination and unusual facets. It has bits of dolomite attached. 

The specimen has relatively little damage - only a few pressure marks and nicks. 

Weight of Specimen:  125.6 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 025

US $ 120
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