Natural Black Star Sapphire

Type: Natural Black Star Sapphire

Origin: Phan Thiet, Vietnam 

Weight: 5.43

Color: Dark Grey (near jet black but a bright active star (Natural)

Cut: Cabochon Oval

Clarity: Translucent with a natural star radiating through the stone. 

Treatment: No heat treatment or enhancements detected or known about.

Approx. Size: 10x10.5x6 mm

Source: Vietnam Broker (2 brokers from the miner-Vietnam only)

Comments: Generally, a star has to be unique for FOco Gems to purchase.  The hexagonal asterism is like a flashlight following the light across its face. The photo may have cotton fiber on the surface of the stone.