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 Post subject: Most Amazing quartz crystal overgrowth! Diamond Hill
PostPosted: Thu Nov 30, 2017 2:36 am 
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I unwrapped a rock box from storage, a couple days ago, and found this Diamond Hill Mine quartz crystal cluster plate, that was from the dig I did a few years ago.
It's got all kinds of funky overgrowth and other minerals on the quartz points. All these photos I took, are from this one specimen.
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 Post subject: Re: Most Amazing quartz crystal overgrowth! Diamond Hill
PostPosted: Thu Nov 30, 2017 2:37 am 
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 Post subject: Re: Most Amazing quartz crystal overgrowth! Diamond Hill
PostPosted: Thu Nov 30, 2017 2:38 am 
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 Post subject: Re: Most Amazing quartz crystal overgrowth! Diamond Hill
PostPosted: Thu Nov 30, 2017 2:39 am 
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Look at this crazy one below...what is that yellow thing!!
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 Post subject: Re: Most Amazing quartz crystal overgrowth! Diamond Hill
PostPosted: Thu Nov 30, 2017 2:40 am 
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 Post subject: Re: Most Amazing quartz crystal overgrowth! Diamond Hill
PostPosted: Thu Nov 30, 2017 2:40 am 
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 Post subject: Re: Most Amazing quartz crystal overgrowth! Diamond Hill
PostPosted: Sat Dec 02, 2017 12:19 pm 
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The coatings are most likely iron oxides/hydroxides (limonite, goethite, hematite..) or a thin layer of clay enriched with such.

I'm curious to know what the crystals growing over the quartz are, as I can't really tell from the pictures (as it looks slightly golden, maybe pyrite, arsenopyrite, chalcopyrite or marcasite), was it identified?


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