Measurements: 87 x 57 x 45 mm
Description:
A delicate, complex specimen consisting
of well-formed calcite crystals with brown inclusions. The reverse side
is
covered with (?)mottramite and duftite. The bits of red is unknown, not
sure
whether it is indeed another mineral, or perhaps even of human origin
eg. paint
...?
The specimen has relatively little damage.
Weight of
Specimen: 188.9 g
Chemical Composition:
CaCO3 (calcite)
PbCu(VO4)(OH)
(mottramite)
PbCu(AsO4)(OH)
(duftite)
Hardness on Mohs Scale: (calcite) 3
(mottramite) 3
- 3.5
(duftite)
4.5
Location: Tsumeb,
Specimen Code:
NTS
010
US
$ 220
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