·this is just a test to see if gold is in the sand and give you an idea of how much get a glass quart jar with a plastic lid put a couple of cups of the black sands in the jar and add 200 ml of muriatic acid and put the lid on and give it a good shake up and down make sure all the sand is wet with the acid remove the lid and add 50 ml of household bleach and place the lid
·I m working on a method to separate black sand and other junk fron fine gold without using magnets or chemicals It uses molten lead As most of you probably know gold and the pgm s will sink to the bottom of molten lead Black sand dirt sand a most other junk won t sink Instead it will float on top of molten lead where it can easily be
·Cause the lab ground the sands to a powder then assayed for the gold So in reality I don t know how much of the gold is trapped inside the larger black sands and how much of it is just very fine micro gold sitting freely in the black sands I have not used a gold cube yet
·if you roast the sands to red hot and keep it there for about a half hour you may be able to use some ferric chloride to remove the iron if you want to break the sand down you will need a mill thats a mechanical process and not chemical black sand concentrates contain many different materials besides magnetic ferrite theres silica s and quartz and pyrite almost
·2 notice that black sands are often brittle and not malleable magnetite 3 put dry black sand on a sheet of clean steel 4 beat the black sand with a small hammer 5 the black sand grains shatter 6 any gold is released
·Pan out everything but the lead and the gold by panning you can pan out most all of the heavier sands of iron ore composition such as the black sands of hematite and magnetite which are heavier than the other sands of quartz and other gravels you can wash away all of the gravel and sands even the heavier sands away from the gold and your
·I have managed to extract the gold out of black sand it was only 300gr black sand I have get done assay result which it was shoving 251 Oz/ton we developed the flux and Technic to do 4 Hole Sizes Metal Silver Casting Melting Templates Ingot for Melting Casting Refining Gold Silver Copper Aluminum Brass Precious Metals DerJingX 69%
·In some black sands I am told there can be a tiny particle per grain of sand of gold in as always take samples home and soak it in jewelery cleaner overnight or electrolisize it and I have found several things like rhodium gold alloy and other metals that had a black patina like manganese and nickle posibly platnum bearing
·Both have a cost factor so my suggestion is to have your "Black Sand" assayed and sell it based on the assay I do have market contacts so that is an option if interested Keep in mind that black sands often contain Palladium at least that s been my experience with the black sands from my area
·Recently I came across some black sand deposits which appear to be rich in gold dust and flakes I am new to refining and looking for the most effective way to separate the gold from the black sands A large amount of it is magnetite so I should be able to extract that part using magnets but
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