Lab Created - Synthetic Spinel
- Chemical composition : Al2O3
- Chemical Properties : Acids and alkalis attack 0 (300 degree C), Porosity-0
- Crystal Structure : Hexagonal
- Purity : 99.99%
- Refractive Index : 1.727
- Density : 3.98-4.1 g/cm3
- Hardness Mohs : 8
- Manufacturing Method : Verneuil, also called Flame Fusion