Minecraft wiki entry for Smooth, associated text: Smooth Quartz
Smooth Quartz Slab
Smooth Quartz Stairs
Smooth Red Sandstone
Smooth Red Sandstone Slab
Smooth Red Sandstone Stairs
Smooth Sandstone
Smooth Sandstone Slab
Smooth Sandstone Stairs
Smooth Stone
Smooth Stone Slab
Smooth Basalt