Extremely Rare Grandidierite Silver Ring From Madagascar - Size 9.25 - 3.6 Grams

Description: This is one of the rarest minerals in the world, a fine greenish blue faceted Grandidierite silver ring from Madagascar. It has very good transluscency. Fine specimen and is considered one of the 10 rarest gemstones.
Location: Mandrare, Betroka, Madagascar
Size: 9.25
Weight: 3.6 Grams