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Mineral ID help (possibly Smithsonite?)
  
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tchai




Joined: 03 Dec 2018
Posts: 23
Location: NY

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PostPosted: Jan 29, 2019 17:23    Post subject: Mineral ID help (possibly Smithsonite?)  

Hi,

I think I may have a smithsonite specimen on my hands but I'm not entirely sure. it was sold to me as botryoidal goethite on a matrix with roselite, but I can't find anything along those lines that looks similar to what I have.

The small milky-grey bulbs (which I think are smithsonite) have a glassy sheen to them. Right underneath them is a layer of black mineral (goethite?). the matrix seems to be a typical gossan matrix, but there's parts of it that are pink and yellow that I'm wondering about.

Also, it looks like smithsonite has very distinct appearances depending on locale, so if anyone could provide insight on where this might be from that would be amazing!



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close-up of pink on matrix with some yellow
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John Betts




Joined: 07 Jun 2012
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PostPosted: Jan 29, 2019 17:37    Post subject: Re: mineral ID help (possibly smithsonite?)  

Looks like smithsonite. Compare to:
www.johnbetts-fineminerals (dot) com/jhbnyc/mineralmuseum/picshow.php?id=65699

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Kevin Conroy




Joined: 03 Dec 2018
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Location: Saint Louis, Missouri

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PostPosted: Jan 30, 2019 01:27    Post subject: Re: mineral ID help (possibly smithsonite?)  

I agree, compare to: https://www.mindat.org/photo-398437.html
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