Extremely Rare Grandidierite Gem Crystal From Madagascar - 0.8" - 29.60 Carats minerals dark blue Covellite (Covelite) raw

dark blue Covellite (Covelite) raw piece from Peru

A very nice lot of 25 gem gray Herderite crystals from Africa

This is a very nice golden terminated Amblygonite (Montebrasite) Crystal From Brazil

Average Pendant Size: 27 Centimeters with bail (1

accented with a sparkling stone-studded band that adds brilliance and contrast to its bold design

Extremely Rare Grandidierite Gem Crystal From Madagascar - 0.8" - 29.60 Carats minerals dark blue Covellite (Covelite) rawThis 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. 2 x 1. 5 x 1. 3 Centimeters Weight: 29. 60 Carats