Schorl Crystal NAM 013

Schorl crystal with 'mercedes sign'

Measurements:  51 x 50 x 41 mm

Description:  A schorl crystal with lovely 'mercedes sign' and faces, with a piece of smoky quartz crystal to one side. The schorl has a good lustre.

The termination and edges have a few small nicks. Some sides have large pressure marks. 

The specimen displays well on a flat surface.

Weight of Specimen:  161.1 g

Chemical Composition:  NaFe2+3Al6Si6O18(BO3)3(OH)4  (schorl)
                                        SiO
2 (quartz) 

Hardness on Mohs Scale:  (schorl)  7.5
                                           (quartz)  7

Location:  Erongo mountains, Namibia.

Specimen Code:  NAM 013

R SOLD

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