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r3liop5 last won the day on August 3 2015

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  1. Well, that's what I had decided too, which brought me to post here, hoping that I had missed something. Thanks for the reply!
  2. Ok then let me ask this question: Does anyone have a simple, inexpensive method to do floatation on small scale? Like some kind of lab scale floatation cell that one could put together easy with easy to find things? That might be an option that would be a fit.
  3. Hi all. I'm new here on the forums and to ICMJ in general. I am not new to mining having had an exposure all my life, yet until the last few years, not too actively engaged beyond small recreational placer efforts. I am the inventor of the Gold Well vortex drop riffle sluice, that some of you may have seen on the Bering Sea Gold show this year, and owner of HM Research out of Wickenburg, AZ. Due to the fact that my sluice captures ultra fine gold, smaller than any other sluice so far as I am aware, it has come to my attention that many of my customers are unable to get all the values from their tailings. (A picture through a microscope of fine gold captured in my sluice is at the end of this post.) Devices such as a blue bowl, miners wheel, panning, even tabling, miss a significant amount of the gold (which can be recaptured by putting it back through the sluice). In many cases, the amount of ultra-fine gold captured by the sluice exceeds the visible large gold. This is of course no surprise, due to the fact that the majority of gold, at least where I am, is very fine gold. I think that this holds true for most of the planet too. This made me embark on a lot of research into different methods that might be used by my customers to recover their gold. There are a lot of ways to skin the cat, unfortunately many of them are either too dangerous or too complex for the average small miner or novice. The methods I have contemplated and tested are: acids (aqua regia and other acid/halogen and oxidizer combinations) mechanical means (blue bowl, cube, miners wheel, tables, etc.) Have considered floatation but have not tested it yet mercury and cyanide (I have tended to steer clear due to all the EPA and toxicity spectres it raises) So here is the question I pose now. What have I missed? Is there a simple, effective, highly efficient method that won't get someone killed or cause major contamination, break the bank or be undesirable or unmanagable? I have a mine here that we get good gold from, the particle size is near 1000 mesh which I use for testing the sluice recovery and performance, and to experiment with methods to recover the gold. The ore runs 2 to 20 ounces a ton in the vein (the granite wall rock runs a few grams a ton.) There are virtually no flat thin particles of gold, or even much visible gold in the ore. Here is a picture of the gold from my mine near Wickenburg, AZ (taken through the eyepiece of my microscope with a cheap web cam.) Sorry about the quality. The line in the picture is a human hair measured at .003" (76.2microns). Most of the particles appear like small popcorn balls about 1/3 to 1/6 the size of the width of the hair (12 to 25 microns). This small particle size is not the result of crushing, as seen under a microscope, that is how they appear in the ore itself prior to crushing. I do have a highly efficient mechanical method, but due to the fact that already people are emailing me telling me that they are stealing my sluice design, I won't be releasing the device that I have invented for the mechanical removal and just use that for my own recovery purposes. The sluice will have to be enough for everyone else. So among standardly done methods, which direction should I head? Or do I just have to tell my customers that there is ultra-fine gold in their concentrates, and it's up to them to figure out how to get it out?