Measurements:
90 x 57 x 34 mm
Description: A rather large prehnite conglomerate crystals on a thin basalt matrix. The bits of whitish mineral on the prehnite is feldspar.
Besides a few
small nicks to the centre crystals, the only other notable damage is to
the edges.
Weight of
Specimen: 177.0 g
Chemical Composition: Ca2Al2Si3O10(OH)2 (prehnite)
Hardness on Mohs Scale: (prehnite) 6-6.5
Location:
Specimen
Code: BARG 002
US $ 60
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