Schorl and Quartz – BARG 044

Quartz with schorl crystal attached

Measurements:  43 x 30 x 20 mm 

Description:  A schorl crystal of 30 mm long (variety foitite) sits on a quartz crystal with schorl inclusions.

The specimen has very little damage.

Weight of Specimen:  23.9 g

Chemical Composition:  SiO2  (quartz)  
                                       NaFe2+3Al6Si6O18(BO3)3(OH)4  (schorl)

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

Location:  Erongo, Namibia.       

Specimen Code:  BARG 044

US $ 16

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