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Longjian Industrial Group: Which rocks can be used for machine-made sandstone production?
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The sand-making materials of machine-made sandstone (crushed stone) are usually:

Granite, basalt, river pebble, cobblestone, andesite, rhyolite, diabase, diorite, sandstone, limestone and other varieties.

The machine-made sand made by it is classified according to the type of rock, and there are also differences in strength and use.