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Moonstone 20.11 ct.



122,00 €

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Moonstone 20.11 ct.

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Moonstone is a general trade name for a gem material related to the feldspar group. Either an albite or adularia or labradorite ,when ever they shows a cat’s eye effect,all this minerals are called "moonstone". The classic moonstone is a combination of albite and orthoclase with formula KalSi308 a potassium aluminum silicate with hardness of 6. Nevertheless there is a variation in composition and is quite difficult to separate one gem from another unless we perfom a special analysis with advanced instrument. The gem here is the classic example of white moonstone with a weak cat’s eye ,but good adularescence. Origin: India Size:21.5x15x8.6 mm. Weight:20.11 ct. CODE#2517

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