Lab Created Transparent Star Sapphire, Oval Cabochon

GEMSTONE DETAIL

• Dimensions: 6x4mm to 16x12mm
• Grade: AAA
• Clarity: Translucent
• Shape: Oval Cabochon
• Make: Very Good
• Symmetry: Very Good
• Treatment: Grown in Lab
• Color: Light to Medium Blue Color.They Have a Good Noticeable Six-Ray Star
• Cut: Very Good
• Polish: Very Good
• Stock Postion: Most of the sizes are in stock at all times.

Chemical Properties

• CHEMICAL COMPOSITION: Al2O3 (Aluminium Oxide)
• SPECIFIC GRAVITY: 3.95–4.03
• REFRACTIVE INDEX: 1.768–1.772
• HARDNESS: 9