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Gemstones - Page 6
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African Malachite Graduated Necklaces
(Graduation: 6mm to 15-20mm) Malachite is a famous and rare precious
stone. It is named for the Greek word for "mallow", a green herb. Its banded
light and dark green designs are one-of-a-kind, and give it a unique ornamental
quality unlike that of any other stone. The light and dark green bands are so
distinctive that malachite maybe one of the most easily recognized minerals by
the general public. A popular design of ceramic ware which imitates this banding
is named after the mineral malachite. It forms the banding from subtle changes
in the oxidation states of the surrounding pore waters, but the exact mechanism
is still not well understood. |
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