Prehnite on Quartz Crystals on Matrix  NAM 022

Prehnite crystals on quartz and limestone matrix

Measurements:  105 x 70 x 38 mm

Description:  A large aggregate of prehnite (40 mm across) and quartz crystals sit on a quartz and limestone matrix. 

The prehnite has a large, natural pressure mark. The only other notable damage is to the edges of the specimen.

Weight of Specimen: 
190 g

Chemical Composition:   Ca2Al2Si3O10(OH)2 (prehnite)
                                         SiO2 (quartz)

Hardness on Mohs Scale:  (prehnite)  6-6.5

Location:  BrandbergNamibia.

Specimen Code:  NAM 022

R 600


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