GEMSTONE DETAIL
- Origin: Grown in Lab by Verneuil / Flame Fusion method
- Dimensions: 3x3mm to 15x15mm
- Grade: AAA
- Clarity: Eye Clean
- Shape: Cushion
- Make: Very Good
- Symmetry: Very Good
- Color: Vivid Rich Deep Medium to Dark Blue
- Cut: Very Good
- Polish: Very Good
- Stock Postion: Most of the sizes are available.
CHEMICAL PROPERTIES
- Chemical Composition: Al2O3 (Aluminium Oxide)
- Hardness: 9 Moh’s Scale
- Refractive Index: 1.76
- Density: 3.98 – 4.1 g/cm3
- Dispersion: 0.018
- Purity: 0.9999
- Manufacturing Process: Verneuil / Flame Fusion
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