Blueish-Green Prehnite on Matrix  – NBB 138

Very unusual, rare, blueish-green prehnite on matrix

Measurements:  55 x 43 x 28 mm

Description:  Very unusual and rare, blueish-green prehnite balls sit on a quartz and basalt matrix. The matrix has been trimmed for better display.

We have never seen this colour prehnite from the Brandberg area before. 

The prehnite has quite a bit of damage around the edges, and has flaws.
Weight of Specimen:  75.4 g

Chemical Composition:  SiO2

Hardness on Mohs Scale:  7

Location:  Brandberg, Namibia.

Specimen Code:  NBB 138

US $ 65

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