Dark Green Onyx is only found in Pakistan, this onyx has the darkest green color as compare to any other onyx that is why it is called Dark Green Onyx. Visit www.qualityonyx.com to buy Dark Green onyx
Technical Specification of Dark Green Onyx:
Compressive Srength: 940Kg/Cm2.
After Freezing: 935 Kg/Cm2.
Ultimate Tensile Strength: 125 Kg/Cm2.
Coef. Thermal Expansion: 0.0050 mm/m Centigrade
Water Absorption: 1.30%
Impact Test Min. Fall height: 30.00 cm
Bulk Density: 2430 Kg/ Cm3
