Measurements:
75
x 56 x 40 mm
Description:
An
azurite nodule with light to dark blue colouring. Some parts of the
azurite crystallization lets light through. The lighter patches with
a pale green colouring, is possibly duftite. One of the images was
taken in natural sunlight.
It
is dufficult to establish damage on these type of specimens, but we
can see a few contact marks.
Weight
of Specimen:
220 g
Chemical
Composition: Cu3(CO3)2(OH)2
(azurite)
PbCu(AsO4)(OH) (duftite)
Hardness
on Mohs Scale:
(azurite)
3.5 – 4
(duftite)
4.5
Location: Tsumeb, Northern Namibia.
Specimen Code: NTS 041
US $ 160
.
.
.
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