1,used as countertop,paver,house decoration and so on 2,it is a kind of hard stone 3,different ... : 20mm, 30mm;Customized sizes are also welcome. 2. Popular finishing: Polished, Honed, Sawn cut, etc. 3.Quality control:Polished degree: Above 85 ... , 7-9 bundles in 20' container Chinese Grey/black Quartzite with cheapest price and good quality