Prehnite on Matrix NBB 143

Beautiful domed aggregate of prehnite crystals on matrix


Measurements:  55 x 36 x 30 mm

Description:  A beautiful, domed aggregate of prehnite crystals shares a basalt matrix with small calcite, quartz and prehnite crystals. 

The prehnite dome (24 mm longest diametre) is undamaged, but the surrounding crystals have damage, mostly to the edges of the specimen.

Weight of Specimen:  67.8 g

Chemical Composition:  SiO                               

Hardness on Mohs Scale:  7                                     

Location:  Brandberg, Namibia.

Specimen Code:  NBB 143

US $ 35

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