Schorl with Smoky Quartz NAM 020

Schorl crystal cluster with smoky quartz crystals

Measurements:  67 x 46 x 27 mm

Description:  A cluster of schorl crystals with a few smoky quartz crystals on it. 

The specimen has damage, mostly to its edges.

Weight of Specimen:
 
108.5 g

Chemical Composition:   NaFe2+3Al6Si6O18(BO3)3(OH)4  (schorl)
                                        
SiO2 (quartz)
                         
Hardness on Mohs Scale:  (schorl)  7.5
                                          
(quartz)  7

Location:  Erongo Mountains, Erongo Region, Namibia.

Specimen Code:  NAM 020

R 250

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