... hardness Resistant to scratch, wear Excellent heat resistance Durable and maintenance free The Characteristics of Quartz Stone: 1)High hardness, the ... Moh's hardness reaches to 6-7. 2)Resistant to scratch, wear, shock, ... materials not contain any pollution and radiation. Product name: Quartz Stone Our slab size is 3050*1450mm, 3050x1250mm,3050x1650mm & 2450 ...