Schorl and Smoky Quartz Crystal Group – NERS 015

Schorl crystal group with feldspar at the bottom

Measurements:   52 x 23 x 22 mm

Description:  A beautiful specimen consisting of a group of schorl and light smoky quartz crystals. 

The quartz crystals have only minute to small nicks, while the top side of the schorl has only small nicks, while the bottom has some damage.

Weight of Specimen:  31.3 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:  NERS 015


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