Limonite Goethite psuedomorph after Pyrite with Chrysocolla?
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Thread: Limonite Goethite psuedomorph after Pyrite with Chrysocolla?

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  1. #1
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    Steve

    Sep 2017
    Az
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    All Types Of Treasure Hunting

    Limonite Goethite psuedomorph after Pyrite with Chrysocolla?

    Finally got back out to that spot with the chrysocolla, the last big storm completely changed the tributary so I had no idea where to dig, I found a couple specimens but not really anything for lapidary, first one I think is a psuedomorph? Worst thing is I forgot to bring a spray bottle to see what I was digging up so when I thought I scored I ended up carrying out 50 plus pounds of worthless ugly ore, the last two pictured lol, I'll post what I found...Click image for larger version. 

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    Last edited by Steve1236; Sep 11, 2020 at 11:12 AM.

  2. #2

    Jul 2018
    Wisconsin
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    Nice, wish I had a day out there to poke around.
    Steve1236 likes this.

  3. #3
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    Steve

    Sep 2017
    Az
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    Need a little help on the correct name, the blue wont scratch with a steel knife so I'm thinking gem silica? The matrix/host is like sandstone, crumbly if you see a crack, quartzite I'm thinking maybe? Would gem silica in quartzite be the correct terminology?Click image for larger version. 

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    Last edited by Steve1236; Sep 16, 2020 at 11:19 AM.
    fuss likes this.

  4. #4
    us
    Mar 2014
    Traveling US to work
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    Chrysocolla in sugar quartz is what I'd call it. Quarztite is very solid material usually with no visible crystal structure, sugar quartz is a matrix of fine quartz crystals that breaks easily and has a grainy texture.
    Steve1236 and fuss like this.
    Everyone Believes they have gold buried in the back yard... small wonder so few ever look for it.

  5. #5
    us
    Steve

    Sep 2017
    Az
    563
    768 times
    All Types Of Treasure Hunting
    Oh ok, on the chrysocolla, are you sure it's not gem silica? Its harder than the sugar quartz stuff, I wasn't able to scratch it with a steel knife, the other chrysocolla from out there scratches easily with the same knife.

  6. #6
    us
    Steve

    Sep 2017
    Az
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    I just now took a broken sharp piece of chalcedony from out at my fire agate spot and it also would not scratch the aqua blue so it's a chrysocolla silicate which I thought is what gem silica is?

  7. #7

    Jul 2018
    Wisconsin
    441
    653 times
    All Types Of Treasure Hunting
    It does not look like a quartzite to me either, I'd go with what Dancer said. Now whether that is chalcedony (gem silica) on the quartz or standard crystaline quartz with chrysacolla/copper coloration I cant tell from the images. Nice color though on that rock.
    Steve1236 likes this.

  8. #8
    us
    Steve

    Sep 2017
    Az
    563
    768 times
    All Types Of Treasure Hunting
    Thanks for your guys help fuss and DDancer here's some close up shots of the blue, it looks like what other people are calling gem silica online but that's why I ask on here first, people really get pissed when you miss label something, even when you ask a fraction of what others ask, kind of takes the fun out of all of it when someone gets pissy lol..Click image for larger version. 

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