... factory 3, quarry owner 4, good service we offer cobble stone professionally. 1, cobble stone made of granite, basalt, limestone, travertime.2, we ... square, 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, ...