... %Bending strength: 37.6MpaCompressive strength: 259.7Mpa.Brightness: over 92.Polishing degree: over 100 degree.2.SizeHead size100*80*10105*72 ... Poland in styles; and divided into Apex, Book, Canopy, Cross, Diamond, Heart, Kerbset,with flower bed, Ogee, Oval, upright serp, and ...