1.Chinese Black Slate for Roof Tile,Culture stone,wall cladding 2.Colour:Black,Rusty,green 3. ... Wide usage 4.High quality 1.Chinese Slate for Roof tile,Culture stone,slate,wall cladding,roof2. First Choice quality, Low ... .No radioactivity, genuine culture stones / cultural stones .Material Name:Chinese roof tile slatePlace of Origin:ChinaColor:Black , Rusty, Green, Yellow, blue, white ...