Name: Onyx Grey Pearl Type: Onyx Color: grey Origin: Turkey Compressive Strength: 940 /kg cm2 After Freezing: 930 /kg cm2 Ultimate Tensile Strength: 125 /kg cm2 Coef Thermal Expansion: 0 mm/m°C Water Absorption: 0.15 % Impact Test Min Fall Height: 0 cm Frictional Wear Test: 0 mm Bulk Density: 2550 kg/m 