Nice gem Corundum var. Sapphire crystal from Ratnapura, Sri Lanka. It displays 21mm single Sapphire crystal. It is complete all over 360 degree with irregular hexagonal shape.  The Sapphire is translucent to transparent and gem with blue color. It is lustrous and light reflective. In good condition – some nicks. On acrylic base.

Marvelous Sapphire!