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Andesine cushion ct.32.16



256,20 €

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Andesine cushion ct.32.16

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ANDESINE This gem belong to the plagioclase –feldspar group, an isomorphous solid solution series. At one end we find Albite containing sodium but no calcium; at the other end there is Anorthite containing calcium but no sodium; the intermediary members are Oligoclase, ANDESINE, Labradorite, Bytownite. The hardness is 6-6.5 from the Mohs scale. This material has been sold to me as African origin. The color is light green-yellowish. Size:19.9x12x12.9 mm. Weight:32.16 ct. CODE#865

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