... .12%)b) High hardness , density and abrasion degree hardly scratched or broken (Mohs hardness:7 ~ 7.5 degrees, Abrasion Degree:0 ... with fine texture ,, it will Keep polishing degrees , almost don't need twice maintenance. (Polish degree: 100 degrees )e) One of ... resisting ,also prevent from mildewing and no color change or color fade g) Grade A for interior decoration stones , can be used ...