Extremely Rare Grandidierite Cut Stone From Madagascar - 1.24 Carats bracelet A very nice dangling oval

A very nice dangling oval shaped Labradorite earrings with a strong blue reflection from Madagascar set in sterling silver 925

According to some sources

They measures 7mm in diameter

The glass color of blue goldstone is caused by cobalt

They measures 6-7mm in diameter

Extremely Rare Grandidierite Cut Stone From Madagascar - 1.24 Carats bracelet A very nice dangling ovalDescription: This is one of the rarest minerals in the world, a fine greenish blue Grandidierite cut stone 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: 7x6 Millimeters Weight: 1. 24 Carats