Extremely Rare Grandidierite Cabochon From Madagascar - 2.86 Carats


This is one of the rarest minerals in the world, a fine greenish blue Grandidierite cabochon from Madagascar. It has very good transluscency. Fine specimen, and is considered one of the 10 rarest gemstones based on numerous articles.
Location: Mandrare, Betroka, Madagascar Size: 1.0 x 0.8 x 0.4 Centimeters Weight: 2.86 Carats