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.
Chemical Composition: SiO2
Hardness on Mohs Scale: 7
Specimen Code: NBB 138
US $ 65