Epidote, Calcite and Quartz Crystals – NBB 064

Beautiful dark green epidote crystals with quartz and calcite crystals on matrix

Measurements:   63 x 26 x 23 mm

Description:  Beautiful, dark green epidote crystals (largest about 5 mm wide) sit among clear calcite crystals, and a few clear quartz crystals, all on a matrix of basalt, quartz and epidote. 

The main quartz crystal is badly broken, and some calcite crystals have nicks. Most of the damage is to the edges. 

The value of this specimen lies in its beautiful epidote crystals.

Weight of Specimen:  28.1 g

Chemical Composition:  Ca2Fe3+2.25Al0.75(SiO4)3(OH)  (epidote)                                                CaCO3  (calcite)                                                                                  SiO2  (quartz) 

Hardness on Mohs Scale:  (epidote)  
                                           (calcite)  3      
                                           (quartz)  7                   

Location:  Brandberg, Namibia.

Specimen Code:  NBB 064


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