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|Dimensions (mm)||29 x 7 x 4mm|
|Weight (carats)||27.4 carats|
Patriks Minerals & Lapidary
MALACHITE PAIRCABS TOP POLISH
I COLLECTED THIS STONE FROM A COLLECTOR WHO HAD IT FOR OVER 10 YEARS SO THIS DEPOSIT WOULD BE ALLMINED OUT BY NOW
GREAT PATTERN AND STONES NOW READY FOR ANY SETTING
PREFERABLY FOR A SET OF EARRINGS
OR KEEP AS A BEAUTIFUL SAMPLE
I ALSO HAVE A GREAT RANGE OF MALACHITE IN MY STORE
WEIGHT : 27.40
SIZE MM: 29 x 7 x 4
(6 MM IS APPROX 1/4 INCH )
CODE : G 4974
Malachiteis a copper carbonate mineral with a chemical formula of Cu2[(OH)2CO3].
It can form acicular and prismatic crystals but is more commonly botryoidal, massive, or as stalactites.
It is a vibrant green color often banded with light and dark greens and has a light green streak.
Malachite is the result of the oxydation of copper sulfide minerals. It is found associated with azurite, cuprite, and chalcopyrite. It has long been used as a source of copper, pigments, and decorative objects.
Because of its beautiful appearance and ability to be highly polished Malachite is valued in jewelry making as well as all sorts of decorative objects.
Huge quanities of this mineral, in blocks weighing tons, come from the Ural Mountains in Russia and from Shaba, Zaire.
The famous King Solomon’s mines in Timna, Israel shows evidence of malachite mining operations dating back 3000 years.
It is also found in many places in the southwest U.S. most noteably Bisbee, Arizona.
|Starts||5th Sep 2014 4:50pm PDT|
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