Group of Quartz Crystals on Matrix – BARG 048

Measurements:  51 x 30 x 24 mm

Description:  A group of (mostly) clear quartz crystals on a thin matrix. There are a few very small crystals of epidote on the surface. 

Weight of Specimen:  19.7 g

Chemical Composition:  SiO₂  (quartz)
                                       Ca₂Fe³⁺_2.25Al_0.75(SiO₄)₃(OH)  (epidote)

Hardness on Mohs Scale:  (quartz)  7 
                                          (epidote)  7 

Location:  Brandberg, Namibia.

Specimen Code:  BARG 048

US $ 15