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  1. #1
    backandforth

    gettin gold out of black sand

    new at metal detecting. been drywashing for a long time. saved concentrates after panning for a long time. someone gave me some mercury and very reluctant to use it unless i know how. Is there a site to explaine how? A better method? got out everything i could see with the naked eye.

  2. #2
    parttime_miner

    Re: gettin gold out of black sand

    the danger isnt in using the mercury to catch the gold..

    the danger is in seperating your "amalgam" to get your gold back...

    "The Weekend Prospector" video by Dave McCracken is a great place to start (circa 1986 ?)... Otherwise there are many books on the subject of amalgamation...

    Also there are many different methods to extract the Micro gold... there is a yahoo group for micron gold and there are
    also things like "shaker tables" that work well...

    I would wait till you save up at least half of a 55 gallon drum then buy/build a shaker table and get rich...

    Micron gold is 99.97% pure or greater.... I believe that micron gold is the most purest form produced by nature.


  3. #3
    ARCOMANDPURPLE

    Re: gettin gold out of black sand

    Yep, using mercury which is tricky,you need a spud,wire,aluminum foil,heat. End result will be
    mercury will evaporate into the spud leaving a button of gold in the depression that you created
    in the spud. Then you can pan out the meat from the spud to recover the mercury.You need to find the actual instruction and follow them to a tee since Mercury fume is extremely dangerous.
    good luck ARCOM

  4. #4
    us
    Jan 2005
    Cuyahoga Falls, OH
    573

    Re: gettin gold out of black sand

    Do some looking on the internet for a "mercury retort", you may find some plans out there on how to build one. Don't breathe the fumes while cooking mercury, bad things will happen!

    Dudes
    Garrett Ace 250

  5. #5

    Feb 2004
    Colorado
    GS5 X-5 GMT
    1,222
    66 times

    Re: gettin gold out of black sand

    Hi Backandforth
    Please give the mercury back to the person who give it to you. It is incredibly dangerous and you do not want it in your home. To assume a danger like this to recover 25 cents in gold is not worth it.
    There are a lot of devices out there folks use for their? concentrates. Here is one I found effective. Read the whole thread.
    http://bb.bbboy.net/alaskagoldforum-...m=0&highlight=
    George

  6. #6
    ca
    Mar 2003
    Langley
    Minelab X-Terra 705 Keene 5" dredge
    155
    24 times
    All Types Of Treasure Hunting

    Re: gettin gold out of black sand

    LOL, Danger Danger, The sky is falling, first off, Mercury is not dangerous at all if you educate yourself on how to use it. Your asking the questions, thats a start, don't let these guys who have read once that it caused cancer in a labrat disuade you from educating yourself and making up your own judgement.
    First off, keep it in a sealed container, preferedly outside where you spend your living hours , try the garage or in the shed. make sure to keep it covered with some water inside the container, handle it with rubber gloves and if an retorting or processing takes place do it outside or in a super well ventilated area, MOST IMPORTANT, dont do anything until you have researched it as best you can and feel confident with your advice from sources of your choosing.

    Chris

  7. #7
    us
    The Watcher

    Apr 2004
    Northern Nevada
    Dowsing Rods and a Ranger Tell Examiner
    7,817
    250 times

    Re: gettin gold out of black sand

    The gpaa site and the prospecters cache have prople who know how to do it right Its the only way to get it all and it will be more than 25 cents worth.The only problem is getting good nitric acid....Art

  8. #8
    us
    Detectorist, prospector,Firechief

    May 2004
    Illinois
    Minelab E-Trac, with sunray probe,Minelab SE,Eureka Gold
    113

    Re: gettin gold out of black sand

    For removal other than using Mercury,try tumbling it in a rock tumbler for several days with or without
    added steel ballbearings. Then you can pan,use a wheel, or any final method such as a shaker table.Mercury is not the best way to do it but can be done safely but it is on the EPA's hit list of the worst chemicals to use. As stated above there are other methods and the info on it is out there on many sites. Tumbling it "liberates the gold" so to speak and makes it easier to recover without the use of chemicals. Hardrock
    I liked the Minelab equipment so much I became a dealer Three years ago, also Sunray equipment loops and probes great stuff.
    Prospecting equipment from Angus Mackirk too!! Check us out on www.swdetectors.com I also am a certified Minelab trainer and travel for them.

  9. #9
    Flatlander bitten by the gold bug.

    Jan 2005
    286
    4 times

    Re: gettin gold out of black sand

    I've not been able to find a vendor on this but I found the Patent information on an item called
    'Quick Gold' Separator

    Patent #Publication Number: 04451359? ?

    see Link:

    http://patft.uspto.gov/netacgi/nph-P...AND+Separator)
    Gold is where you find it..

  10. #10
    parttime_miner

    Re: gettin gold out of black sand

    Hey NebraskaDad... Nice Find...

    I wonder just how well that thing actually works?

    The patent has been around since 1982... wonder why he hasn't done anything with it?

    Seams very similar to "Mother Nature's" springs...

    theres always a pocket of gold at the bottom of a spring in gold country...
    (until crossing paths with a happy prospector)

  11. #11
    Flatlander bitten by the gold bug.

    Jan 2005
    286
    4 times

    Re: gettin gold out of black sand

    pt-miner,

    I can't seem to find any reference to the guy or a place that sells it.. I would be concerned about surface tension floating flours out the top.. May like the blue bowl you'd have to use Jet-Dry? in the solution as a wetting agent.
    Gold is where you find it..

  12. #12
    parttime_miner

    Re: gettin gold out of black sand

    Im thinking this is a semi-known technique... my memory is horrible, but I seem to remember an old timer describing something similar... or using a similar process.
    I bet you could build one for cheap... Use the patent info and diagrams as ideas and just don't sell it without giving royalties back to the guy...

    Not sure about where to buy one pre-made... but I have seen a steady rise in available gold-recovery equiptment since the price of gold has risen. So, I bet its just a matter of time, before something like this (and every other contraption known-to-man) is available on the web. (or through keene)



  13. #13
    Flatlander bitten by the gold bug.

    Jan 2005
    286
    4 times

    Re: gettin gold out of black sand

    I am fairly handy in the shop, I am looking for the Lucite? tube, I am looking at aquarium supply stuff. I think the rest would be fairly straight forward, from the timing of the "patent" it's my guess due to the price of AU at the time, takers on the production of a unit may have not been profitable enough to really make it viable.

    I kind of like tinkering, just put together a sniping sucker, with threaded rod, PVC pipe, fender washers and a toilet flapper

    Perhaps if Keene or someone like that could find someone to produce it in a cost effective manner if they bought the patent.

    Guess it wouldn't have to be Lucite.. a person could make it with 4" or 6" PVC and some of the basic parts (like the pump, etc, etc, are fairly stock items. The clear Lucite just would allow one to see the process work and make sure the flow isn't too high to lose AU
    Gold is where you find it..

  14. #14
    eric1

    Re: gettin gold out of black sand

    I have a Blue Bowl, which is made for just this type of work. Pioneer Mining Supply in Auburn, Ca. sells them with different mesh screens, a pump, a tub, and other items depending on what you want. It's self contained so you can bring it to your campsite if you're car camping. Definitely saves lots of work.
    Pioneer Mining has a good website with contact info.

  15. #15
    fbeal

    Re: gettin gold out of black sand

    So how much micron gold is in black sand? I have tossed some after getting the visible gold out. Is it worth the trouble to extract it?

 

 
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