*Product Name: Hotel green onyx medallion *Place of Origin: Fujian, China (Mainland) *Model Number: onyx medallion *Surface Finishing:Polished *Stone Form:Cut-To-Size *Product shape: Square *Density (g/cm3):2.6-2.8 *Thickness: 13mm, 16mm,19mm *Backside treatment:aluminum net *Size:Round: diameter 30mm, 60mm, 80mm, 90mm, 100mm, 120mm, etc.