Measurements: 47 x 40 x 18 mm
Description: A small, well-formed prehnite crystal (8 mm in diametre) shares a (trimmed) basalt matrix with a few clear quartz crystals and calcite. On the surface of some of the quartz crystals are a few very minute dark bits, which appear to be epidote.
The only notable damage is to the edges of the specimen.
Weight of Specimen: 35.1 g
Chemical Composition: Ca2Al2Si3O10(OH)2 (prehnite)
Specimen Code: BARG 033
US $ 15