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Tumbled Stone

 

Tumbling is a process of smoothing and polishing a hard substance like stone. For tumbling of stones a rubber barrel is loaded with consignment of rocks, abrasive grit and a lubricant. Silicon carbide grit is commonly used and water is the universal lubricant. The barrel is then placed on slowly rotating rails and the stones are gradually smoothed and polished. These smoothed and polished stones are called tumbled stones.

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