uses of iron oxidesof sand mining,Magnetite Black Sand - Prospectors ChoiceMagnetite black sands are perfect for many uses from therapy to gardening. Order it in 5, . Both magnetite black sand and hematite are oxides of iron. These are.uses of iron oxidesof sand mining,Dealing with Black Sands: getting all the gold out of your concentratesNormally, most of black sand is made up of two crystalline oxides of iron: . platinum, gold bearing amalgam (lost by early day miners), lead (from fishing weights . If you just snipe with a pan or use a hand operated sluice box, the amounts will.
uses of iron oxidesof sand mining