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mostly known for its green varieties
and the green color is caused by a reaction in the stone when the chrome is introduced to water
resulting in fossils that are chalk-white
Famous malachite mines in the Ural mountains of Russia once produced 20 to ton blocks of the stone
Botswana Agate 6x8mm Tri Cut Faceted Rondelle - 15-16 Inch R1573 mostly known for its greenBotswana Agate displays highly defined parallel banding, usually in white on hues of brown, gray, pink, tan, apricot and purplish red. Botswana Agate was formed nearly 187 million years ago by lava flowing in waves from long faults in the earth. This lava rolled across the landscape, depositing layer upon layer of Quartz silicate to create the banding and patterns now prized in Botswana Agate.
US$ 33.99
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