Smoky Quartz Crystal - NER 062

Measurements:  73 x 15 x 14 mm

Description:  A smoky quartz crystal with a small schorl crystal on it, as well as a few small schorl inclusions. 

The termination has only minute nicks, while the crystal has a few stable flaws.

Weight of Specimen:  23.7 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 062

US $ 35