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Where Is Cobalto Calcite Found

Though it is not a good jewelry stone due to its softness 3 on the Mohs scale calcite occurs in a variety of crystal forms and in a huge range of colors. Nearly every calcite is unique. We took a 16.78 ct polished gem to GIA in Bangkok for testing and they confirmed it was cobaltocalcite a rare calcite colored by trace amounts of cobalt.

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