solid, natural formation a variety of shapes, sizes, and colors a rough or smooth surface a composition of one or more minerals evidence of weathering, erosion, or fractures a lack of organic material
rock which has solid, natural formation rock which is a variety of shapes, sizes, and colors rock which is a rough or smooth surface rock which is a composition of one or more minerals rock which has evidence of weathering, erosion, or fractures rock which is a lack of organic material