Grooved Grey Basalt: 1.Item: Black basalt block 2.Finished:Polished,honed ,flamed,sandblasted etc 3.Own factory Grooved Grey Basalt:Specification : Stone NameChinese BasaltPlace of OriginFujian, ChinaStone FormBlock, slab, tileOther available ColorsBlack, Grey ,white etc.FinishingPolished, Honed, Flamed, Sandblasted, Rough hammered, Bush hammered, Rough picked, Mushroom,Other available ...