Measurements: 53
x 50 x 37 mm
Description:
A specimen consisting of brownish-pink smithsonite crystals on a
chalcocite matrix.
The specimen, which displays well on a flat
surface, has relatively little damage.
Weight of
Specimen:
93.3 g
Chemical Composition:
ZnCO3
(smithsonite basic formula)
Cu2S
(chalcocite)
Hardness on Mohs Scale:
(smithsonite
)
4 - 5
(chalcocite) 2½
- 3
Location: Tsumeb,
Specimen
Code: NTS 020
US $ 250
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