Rare 1.50 Carat Natural Grandidierite 8 mm Round Faceted Gemstone Loose

This product is a 1.50 carat, 7.92 x 7.83 x 4.37 mm round-faceted natural Grandidierite gemstone with pale blue saturation, shipped in a gem jar.

• The description claims Grandidierite is exceptionally rare and highly coveted.
• The description claims Grandidierite has a striking blue-green to green-blue coloration.
• The description claims Grandidierite has a hardness of 7.5 on the Mohs scale.
• The description claims Grandidierite has strong trichroism.