sand used for making sand
How sand is made - material, manufacture, making, history, used .Background. Sand is a loose, fragmented, naturally-occurring material consisting of very small particles of decomposed rocks, corals, or shells. Sand is used to.sand used for making sand,Sand casting - WikipediaSand casting, also known as sand molded casting, is a metal casting process characterized by ... The sand molding process has been used for many centuries to produce castings manually. Since 1950, partially automated casting processes.What kind of sand is used to make glass? - QuoraGlass is made from silica sand. Silica sand consists primarily of silicon dioxide, usually tiny weathered pieces of quartz, but there are other.