Measurements:
61 x 50 x 23 mm
Description:
A small, exposed azurite geode, together with more azurite
crystals and malachite, sit on a conglomerate matrix.
Most of the azurite crystals in the
geode are undamaged, but some of those outside the geode, are damaged.
Weight of
Specimen: 67.4
g
Chemical Composition:
Cu3(CO3)2(OH)2
(azurite)
Cu2+(CO3)(OH)2
(malachite) …
Hardness on Mohs Scale:
(azurite)
3.5
–
4
(malachite) 3.5-4
Location: Tsumeb,
Specimen
Code: NTS 039
US $ 65
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