Extremely Rare Grandidierite Silver Ring From Madagascar - Size 8.75 - 4.04 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: 8.75
Weight: 4.04 Grams