... .) Quanlity : 100% A grade 2.)Type: slate/mushroon stone. 3.) Color /Finishing : as per customers requirement Product ... requirement .Material:Slate,Quartzite,Basalt,Limestone,Marble,Sandstone,Travertine,Artifical stone ,shale ,etcFinish:nature ,polished ,honed ,flamed ,machine ... Advantages: One factory owned, one quarry, abundant resource. Supply you best quality, best service, and timely delivery.6>. ...