Measurements:
65
x 52 x 31 mm
Description:
A
delicate, two-sided specimen consisting of pale, clear calcite
crystals up to about 8 mm on edge, with minute duftite crystals amongst
the calcite crystals, with some included in the calcite. The
specimen also has bits of, what appears to be, galena on and amongst
the calcite crystals.
The specimen has a few (not too obvious)
nicks, but still displays well.
Weight
of Specimen:
72.0
g
Chemical
Composition: CaCO3 (calcite)
PbCu(AsO4)(OH)
(duftite)
PbS (galena)
Hardness
on Mohs
Scale: (calcite)
3
(duftite)
4.5
(galena) 2.5
Location: Tsumeb, Northern Namibia.
Specimen Code: NTS 025
US $ 55
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