![]() Grind black sands and release any bound up gold from other minerals that would otherwise be discarded.Use to high grade old tailing piles and figure out which type of rock has the best gold, and find out if a larger crusher is worth utilizing to run large amounts of material.Pulverize hot rocks that may contain gold.Find out the true recoverable value of your gold per ton with the Cobra portable rock crusher! This makes it easier to feed rocks into it and much easier to pour out the pulverized material.ĭon’t be fooled by assays that count gold in sulfide ore that cannot be easily separated. The latest and greatest model shipping now has a straight feed tube. ![]() The crusher in the videos is the first model. The straight feed tube takes rocks approximately 1" by 1 inch. ![]() Cobra Crusher is interchangeable and can re-attach to either machine in about 3 minutes. Otherwise, a strong 18v or higher professional grade battery powered machine works great for totally mobile prospecting and crushing. Recommended minimum power is 7 amps at 110v for when you're in the shop. The Cobra Crusher works by attaching to most standard Angle Grinders/ Steel Grinders. Save your valuable time and energy - this portable rock crusher weighs about 10 pounds can go anywhere and is perfect for sampling! Simply break up some rock, pulverize, pan the crushed material and in minutes find out how much recoverable gold is in the rock in that area. Don’t carry rocks around with you all day or haul them back to camp or your vehicle without first finding out if they have gold or not.
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