China natural black sand

10155 china natural black sand products are offered for sale by suppliers on Alibaba.com, of which sand accounts for 3%, other non-metallic minerals & products accounts for 1%, and silica accounts for 1%. A wide variety of china natural black sand options are available to you, such as natural sand, manufactured sand.You can also choose from decoration, building and painting china natural black sand,As well as from fine, medium china natural black sand,and whether china natural black sand is graphic design, or 3d model design.