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Extremely Rare Grandidierite Cabochon From Madagascar - 6.02 Carats

Description:

This is one of the rarest minerals in the world, a fine greenish blue Grandidierite cabochon from Madagascar. It has very good translucency. Fine specimen, and is considered one of the 10 rarest gemstones based on numerous articles.
Location: Mandrare, Betroka, Madagascar Size: 13 x 11 x 6 Millimeters Weight: 6.02 Carats

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