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, Northern
Namibia.
Specimen Code: NTS 010
US $ 220
|