How is sand made?
Answer:
For reducing the stone to minus 12 mm particles, Big size stone crushers are employed. For making Sand from stone up to 500 mm feed size, A primary crusher is employed to break the stone in minus 75 mm pieces. These –75 mm pieces are further broken in Secondary crusher. Here the size is made below 40mm. This minus 40mm is further reduced to minus 12 mm size in V.S.I Crusher, and then finally it is crushed in Rotopactor and sand is manufactured.
Depends. Weathering and abrasion of rock will do it. That gets you silica and black volcanic sands. Abrasion of shells and coral will do it. That gets you carbonate sands.
A rock crusher will also do it. Sand is a size fraction between clay and gravel, not a composition of matter.
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