Prehnite and Quartz Specimen - NBB 025

Beautiful prehnite and quartz crystal combination from our personal collection

Measurements:  34 x 32 x 26 mm

Description:  A beautiful combination of a ball and blades of prehnite and quartz crystals. 

The prehnite has three colour shades and both of the smaller quartz crystals have a few minute inclusions of reddish hematite specks. The main quartz crystal has lovely gas inclusions and a very faint touch of amethyst colouring.

The main quartz crystal's termination has a minute nick (barely visible with the naked eye), while one of the smaller quartz crystals has a flaw and very minute nick (also barely visible with the naked eye). 

This specimen comes part of our personal collection. 

Weight of Specimen:  24.3 g

Chemical Composition:  SiO2  (quartz)  
                                       Ca2Al2Si3O10(OH)2  (prehnite)  
                                 
Hardness on Mohs Scale:  (quartz)  7 
                                          (prehnite) 6-6.5

Location:  Brandberg, Namibia.

Specimen Code:  NBB 025

US $ 150

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