Pyrite and Gold or just Pyrite
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Thread: Pyrite and Gold or just Pyrite

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  1. #1

    Mar 2003
    Vancouver,British Columbia
    Whites GMT
    335
    76 times

    Pyrite and Gold or just Pyrite

    Heres a pic of rock we broke open this summer. When you look at the pic do you see gold in there or is it just Pyrite?

    Daryl



    Prospecting and Mining Map library of British Columbia

  2. #2
    us
    Jan 2008
    Villa Rica georgia
    gold bug pro,garret,whites,tesoro,bounty-hunter,,.....
    1,866
    111 times
    All Types Of Treasure Hunting
    is it brittle ?
    no matter where you go,there you are!

  3. #3
    us
    Jun 2009
    817
    305 times
    I think I see green copper oxides, bornite (purplish iridescent staining), and chalcopyrite. If so, then there is probably gold there, at least in trace amounts. Definitely worth sampling them sulfides further regardless.
    Sample till you find the hot spot, then mine it till its gone! Then start over...

  4. #4

    Sep 2012
    13
    All Types Of Treasure Hunting
    It sure looks more like gold than pyrite to me. On the other hand that would be an extreme rarity to see so much widespread gold like that. If its pyrite it would be brittle and probably have some geometric form to it. You could take some of the rock and break it up with a pestle and mortar and see how it behaves. You could also put it in nitric acid to see if it reacts with the acid or not. One could also see if mercury will stick to it. I know that mercury has become a dirty word, but used carefully and in the right cases it can be a very good tool.

  5. #5

    May 2012
    nevada
    1,929
    1526 times
    All Types Of Treasure Hunting
    Shade it with your hand and take another pic!
    lastleg likes this.

  6. #6
    us
    mine owner

    Mar 2016
    Denver
    62
    126 times
    Prospecting
    fire assay to find out how much gold is in it!
    KevinInColorado likes this.

  7. #7
    Charter Member
    us
    Period Six Mining and Exploration, LLC

    Aug 2010
    Southeast Arizona
    2,983
    4350 times
    Prospecting
    ALL pyrite has some level of gold in it. The problem is how to get it out and is it economical feasible to do so? Iron pyrite is hell on nitric acid, tends to use up the nitric rather quickly when trying to dissolve the host rock.
    solarsmith likes this.
    Mining is how I make my living. I turn mountains into dust on a daily basis.

 

 

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