... factory 3, quarry owner 4, good service we offer cobble stone professionally. 1, cobble stone made of granite, basalt, limestone, travertime.2, we ... , oval, rectangular. those patterns are formed by pieces of cobble stone. the treament have all side nature, one side nature with ... -hammer with other sides gangsawn, all side gangsawn etc.3, stone color have grey, yellow, white, black, red, green, and one ...