Black Onyx

Black Onyx has a dark cloudy background. Thanks to its particular color mix of black, grey, white and dark yellow, this onyx is a perfect decorative and ornamental element. It is mostly used for interior residential projects, for coverings and objects.

Country of Origin: Iran
Availability: Limited
Compression breaking load: 1760 kg/cm2
Compression breaking load after freezing cycles: 1640 kg/cm2
Unit breaking load in bending:
Thermal linear expansion coefficient:
Water imbibition coefficient: 0,15%
Impact resistance, minimum fall height:
Frictional wear:
Weight per unit of volume: 2550 kg/m3