Bluestone Limestone Tile, Packaging Type : grey

We are offering china bluestone limestone tile.
the bluestone limestone quarry from jiaxiang ,shandong,province,china,there has 2 types bluestone in china,the one is bluestone limestone,the other is bluestone basalt,the bluestone basalt with big or small holes on sruface,this is reason of basalt,the blustone limestone have no holes but with some white or yellow small spots or line on surface.
the bluestone limestone has 2 types too,the one is black bluestone limestone,the other one is grey bluestone limestone,the size has 300mm,457mm,600cm,800cm,etc .the bluestone limestone surface has polished,honed,brushed,etc