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Help identification
  
  Index -> What is it? - Where is it from?
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indigo08




Joined: 09 Oct 2018
Posts: 4
Location: Brussels

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PostPosted: Sep 27, 2019 10:23    Post subject: Help identification  

Hello collectors,

Having found on a flea market a collection of minerals, most of which had labels, I found in this lot several minerals that I could identify. Unfortunately 6 samples are totally unknown to me. I therefore propose that you help identify them.
The first samples are crystals in a radiant group associated with metallic yellow crystals (cf chalcopyrite or pyrite).
On the last sample are black velvety fibers.

I would be very happy to get information on names and deposits.

Thank you in advance.

LM



DSC_0015.JPG
 Description:
Unknown
4 x 5 cm
Crystals in a radiant group associated with metallic yellow crystals (cf chalcopyrite or pyrite).
 Viewed:  1050 Time(s)

DSC_0015.JPG



DSC_0016.JPG
 Description:
Unknown
4 x 5 cm
 Viewed:  1044 Time(s)

DSC_0016.JPG



DSC_0017.JPG
 Description:
Unknown
4 x 5 cm
 Viewed:  1052 Time(s)

DSC_0017.JPG



DSC_0018.JPG
 Description:
Unknown
4 x 5 cm
 Viewed:  1051 Time(s)

DSC_0018.JPG



DSC_0019.JPG
 Description:
Unknown
4 x 5 cm
 Viewed:  1045 Time(s)

DSC_0019.JPG



DSC_0020.JPG
 Description:
Unknown
4 x 5 cm
White porcelain crystals
 Viewed:  1050 Time(s)

DSC_0020.JPG



DSC_0021.JPG
 Description:
Unknown
4 x 5 cm
 Viewed:  1045 Time(s)

DSC_0021.JPG



DSC_0022.JPG
 Description:
Unknown
4 x 5 cm
 Viewed:  1049 Time(s)

DSC_0022.JPG



DSC_0023.JPG
 Description:
Unknown
4 x 5 cm
 Viewed:  1048 Time(s)

DSC_0023.JPG



DSC_0024.JPG
 Description:
Unknown
4 x 5 cm
black velvety fibers
 Viewed:  1050 Time(s)

DSC_0024.JPG



DSC_0025.JPG
 Description:
Unknown
4 x 5 cm
 Viewed:  1052 Time(s)

DSC_0025.JPG


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Kevin Conroy




Joined: 03 Dec 2018
Posts: 66
Location: Saint Louis, Missouri

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PostPosted: Sep 27, 2019 10:57    Post subject: Re: Help identification  

3. Uralite - Calumet Mine, Colorado

4. Cerussite - Flux Mine, Arizona

6. Psilomelane - Socorro County, New Mexico

Note that these are "best guesses" which could be wrong. For more complete locality info see www.mindat.org
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John Betts




Joined: 07 Jun 2012
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PostPosted: Sep 27, 2019 13:02    Post subject: Re: Help identification  

DSC_0015.JPG and DSC_0016.JPG = covellite with pyrite
_________________
John Betts
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Kevin Conroy




Joined: 03 Dec 2018
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PostPosted: Sep 27, 2019 15:09    Post subject: Re: Help identification  

A little more on 6, it may be from the Luis Lopez Manganese District.
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Kevin Conroy




Joined: 03 Dec 2018
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PostPosted: Sep 28, 2019 07:07    Post subject: Re: Help identification  

2 is probably either calcite and/or aragonite, it's hard to tell from the photo.

5 is possibly a phosphate nodule, with vivianite as the core.

I don't have a guess for a location for either of these. Overall these are nice flea market finds!
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indigo08




Joined: 09 Oct 2018
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PostPosted: Sep 29, 2019 07:47    Post subject: Re: Help identification  

Thanks to Kevin Conroy and John Betts for your quick answers.
I appreciate your help.
Li Mirakaj
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Max Merlo




Joined: 16 Jan 2018
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Location: Torino

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PostPosted: Sep 30, 2019 02:38    Post subject: Re: Help identification  

These are my thoughts:

1. Ludwigite from Brosso (Piedmont,Italy) (very probable) see
https://www.mindat.org/gallery.php?loc=2078&min=2454

3.Uralite/Traversellite from Traversella (Piedmont,Italy)

4. Cerussite from Montevecchio (Sardinia, Italy)

5. Vivianite nodule of Valdarno (Tuscany, Italy)

This could be supported especially if there were other Italian specimens in the seller's lot,

Max
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indigo08




Joined: 09 Oct 2018
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PostPosted: Oct 12, 2019 10:56    Post subject: Re: Help identification  

Thank you Max.
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