minecraft:gray_concreteGray Concrete is a vanilla solid coloured building block.Data valuesIDminecraft:gray_concrete Other pages in this wikiAcacia LeavesAcacia LogAcacia PlanksAcacia SaplingAcacia TrapdoorActivator RailAlliumAmethyst ClusterAndesiteAnvilAzalea LeavesAzure BluetBamboo FenceBamboo Fence GateBamboo MosaicBamboo PlanksBamboo TrapdoorBig Dripleaf StemBirch LeavesBirch LogBirch PlanksBirch SaplingBirch TrapdoorBlack Candle