Prehnite / Quartz / Calcite Cluster NBB 116

Very high quality prehnite, quartz and calcite crystal cluster

Measurements:  27 x 23 x 20 mm

Description:   A beautiful arrangement of prehnite, quartz and calcite crystals. There is only minimal damage to the bottom of the specimen.

This is a very high quality specimen. 

Weight of Specimen:  7.6 g

Chemical Composition:  Ca2Al2Si3O10(OH)  (prehnite)
                                       SiO2  (quartz)  
                                       CaCO3  (calcite)

Hardness on Mohs Scale:   (prehnite) 6-6.5
                                           (quartz)  7                                                                                                          (calcite)  3        

Location:  Brandberg, Namibia.

Specimen Code:  NBB 116

US $ 65


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