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Hambergite 0.55 ct.



73,20 €

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Hambergite 0.55 ct.

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Is a Berillium Borate Hydroxide with formula: Be2(BO3)(OH) , hardness 7.5. Quite rare mineral, the best cutting material comes from Maharitra and Betafo ,south Madagascar, is found colorless, yellowish and reddish. Recently I have found some nice crystal from Burma like this stones here .The gem is eye clean. Size: 6.8x4.8x3 mm. Weight:0.55 ct. CODE#2696

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