How can I grind rocks?

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I have small pieces of broken antimony and I want suggestions as to how I could grind it into a fine powder .

Rotate in a drum along with metal balls.

2007-10-13 01:43:05 · answer #1 · answered by A.Ganapathy India 7 · 0⤊ 0⤋

Antimony is an element, not a rock.

Try using a mortar and pestle.

2007-10-12 09:32:48 · answer #2 · answered by Lady Geologist 7 · 0⤊ 0⤋