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Measurements:
92
x 49 x 43 mm Description:
Quartz crystals
(the largest 28 x 07 x 06 mm) share a basalt matrix with small, drusy
epidote
crystals, calcite and one small piece of prehnite. The
largest quartz
crystal has a small nick and a few smaller crystals have a
few very small
nicks. Weight
of Specimen:
99 g Chemical
Composition:
SiO2
(quartz)
Hardness
on Mohs
Scale: (quartz)
7 Location:
Specimen
Code:
NBB 029 US $ 65 ..
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