Known as the Second hardest mineral after diamonds

• Flexural Strength - glass infiltrated at up to 1200 celsius: 780 - 1000 Mpa
• Coefficient of linear thermal Expansion - sintered at up to 1200 Celsius (25 Celsius to 500 Celsius): 7.2
• Coefficient of linear thermal Expansion -glass infiltrated at up to 1200 Celsius (25 Celsius to 500 Celsius): 6.7
• Citotoxicity: Nontoxic