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Aragonite 8.83 ct.



250,00 €

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Aragonite  8.83 ct.

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Is a Calcium Carbonate with formula and hardness of 3.5-4.I s a polymorph of calcite,that means :same chemical composition but different structure and crystal shape,and is also more compact than calcite and much rarer.Crystals are generally small.This gem here comes from Herenec locality,Northern Bohemia,Czech Republic.

Size: 13.4x10.7x8-2 mm.

Weight: 8.83 ct.


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