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Malachite - Namibia

NOK 180,00

inkl. mva.
På lager: 0
Artikkelnr. M09C

Great example of Malachite from Tsumeb, Namibia.

Size: 35 x 33 x 24mm.

Weight: 50 grams.


From Wikipedia, the free encyclopedia

Malachite is a copper carbonate hydroxide mineral, with the formula Cu2CO3(OH)2. This opaque, green banded mineral crystallizes in the monoclinic crystal system, and most often forms botryoidal, fibrous, or stalagmitic masses, in fractures and spaces, deep underground, where the water table and hydrothermal fluids provide the means for chemical precipitation. Individual crystals are rare but do occur as slender to acicular prisms. Pseudomorphs after more tabular or blocky azurite crystals also occur.[3] Typical malachite is laminated[citation needed] and whether or not microbes intervene in its formation is unknown[citation needed].


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