Smoky Quartz and Schorl Crystal Group - NER 046

Interesting smoky quartz and schorl crystal group

Measurements:  55 x 40 x 21 mm

Description:  Two smoky quartz crystals have been fused together by a schorl crystal, and the larger quartz crystal has a schorl partly covering its termination. Image bottom left shows the bottom of the specimen.

The quartz crystals have no noteworthy damage, while the schorl crystals are well-formed, with minute to small nicks to the front of the display crystals and pressure and contact marks to the back. Some of the smaller schorl crystals to the bottom are damaged.

Weight of Specimen:  53.1 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:  NER 046

US $ 75

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