- The China Juparana Granite Countertops, also called the Waves Black Granite is a kind of grey granite quarried in China. This stone is especially good for Exterior - Interior wall and floor applications, monuments, countertops, mosaic, fountains, pool and wall capping, stairs, window sills, and other design projects. It is also called Wave Black Granite, Waves Grey Granite, Black Waves Granite, Wave Washed Sand Granite, Grey Waves Granite, Juparana China Granite, Juparana Grey China Granite, Multicolour Grain Grey Granite. Waves Black Granite can be processed into Polished, Sawn Cut, Sanded, Rock faced, Sandblasted, Tumbled, and so on.