Construction Grade : This particle shape, usually angular to sub-angular, is used to mix with cement to make concrete structural walls, walks and driveways. The particle sizes range from 2.0 mm to 0.30 mm Price of product ( usd price or fob price) : $98.00 -$125 per mt, fob, cif orders over 200,000, mt. Prices negotiable based on total metric tonage. Product origin : columbia, mississippi, usa See attached testing lab. Reports Minimum order size and packgaing details : 50,000 mt fob mississippi or louisiana port of choice. (negotiable)