Extremely Rare Grandidierite Gem Crystal From Madagascar - 1.1" - 43.50 Carats minerals This graceful teardrop necklace features

This graceful teardrop necklace features a deep London Blue Topaz surrounded by a delicate halo of shimmering accents

from 1956 until 1979 only three crystals of this hexagonal mineral were known to exist for many years

Location: Colombia

Location: Ambatolafia

which is how it earned its trade name of 'prismatine'

Extremely Rare Grandidierite Gem Crystal From Madagascar - 1.1" - 43.50 Carats minerals This graceful teardrop necklace featuresThis is an extremely rare bluish green Grandidierite crystal. It is very large and is considered by many to be one of the 10 rarest gemstones in the world. Location: Madagascar Size: 2. 7 x 2. 0 x 0. 9 Centimeters Weight: 43. 50 Carats