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Rhodocrosite roundct.16.97



24,40 €

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Rhodocrosite roundct.16.97

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Rhodocrosite Is a manganese carbonate mineral with formula MnCO3 . Very rare in gem quality, mostly is found in parallel or concentric layers (stalactite) as hydrothermal deposit; today the biggest production comes from old abandoned silver mines in Capillitas, Catamarca,Argentina. His hardness is low: 3.5-4 therefore must handle with care and avoid acid. This stone is hand polished on both side. Size: 19.5x19.3x4 mm. Weight: 16.97 ct. CODE#1566

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