Measurements:
57
x 44 x 37 mm
Description:
A group
of (mostly green) fluorite crystals with bits of hyalite opal on some
faces, and a few small pieces of quartz attached.
The only notable damage is to
some edges of the specimen.
Weight of Specimen:
93.2 g
Chemical
Composition: CaF2
(fluorite)
SiO2•1.5(H2O) (opal)
SiO2 (quartz)
Hardness on Mohs
Scale: (fluorite)
4
(opal)
5.5-6
(quartz) 7
Location:
Specimen
Code:
NERF 025
US $
45
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