![]() ![]() ![]() The Cobra portable rock crusher weighs about 10 lbs. It is not intended to be a high production rock crusher. ![]() Although this unit will quickly grind your samples down to powder, it is meant to be a sampling machine. Also, the gold is rolled and rounded during the crushing process which facilitates easier recovery - unlike thin flakes which can be easily washed away by mistake. Samples are incredibly easy to pan or separate by all standard methods as the ground up material is all close to the same size and the lighter material washes away easily.
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