Lab Created Transparent Star Sapphire, Round Cabochon

GEMSTONE DETAIL

• Dimensions: 5.00mm to 12.00mm
• Grade: AAA
• Clarity: Translucent
• Shape: Round 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