Smoky Quartz, Feldspar and Quartz Crystal Specimen – BARG 044

Smoky quartz, feldspar and quartz crystal specimen

Measurements:  38 x 33 x 27 mm 

Description:  A small piece of schorl and light smoky quartz crystals sit attached to the side of a feldspar crystal. The second quartz crystal with the piece of schorl, appears to be only the termination of a crystal. 

The feldspar crystal has no notable damage. The main quartz crystal's termination has only a few extremey minute nicks, and a little damage at its base, where it parted from its matrix.

Weight of Specimen:  18 g

Chemical Composition:  SiO2  (quartz)                                          
                                       KAlSi3O8  (feldspar) 
                                       NaFe2+3Al6Si6O18(BO3)3(OH)4  (schorl)

Hardness on Mohs Scale:  (quartz)  7                                                                                                                              (feldspar)  6 - 6.5               
                                          (schorl
)  7.5
                           

Location:  Erongo, Namibia.       

Specimen Code:  BARG 044

US $ 18

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