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The time now is May 26, 2024 06:40

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Tsumeb Unknown
  
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cfrench58




Joined: 04 Aug 2021
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PostPosted: Apr 19, 2024 11:39    Post subject: Tsumeb Unknown  

While doing some close-in macro photography on this old Tsumeb Calcite with Duftite specimen, I noticed a bow-tie mineral which I am having a hard time identifying. It fluoresces a strong deep orange @ 365 nm (sorry no photo). I was thinking perhaps aragonite but I thought I might get some knowledgeable feedback from the Tsumeb experts in the forum. Thanks in advance!


Capture.JPG
 Mineral: Unknown, Calcite, Duftite
 Locality:
Tsumeb Mine, Tsumeb, Otjikoto Region, Namibia
 Dimensions: FOV 3 x 5 mm
 Description:
 Viewed:  990 Time(s)

Capture.JPG


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Roger Warin




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PostPosted: Apr 19, 2024 13:49    Post subject: Re: Tsumeb Unknown  

I propose cerussite. You can't see the crystals well.
I doubt duftite.
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Jordi Fabre
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PostPosted: Apr 19, 2024 13:49    Post subject: Re: Tsumeb Unknown  

Almost certainly Mimetite, its fluorescence, as well as its appearance, indicates it.
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cfrench58




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PostPosted: Apr 19, 2024 14:43    Post subject: Re: Tsumeb Unknown  

Thanks Jordi! I would not have thought of that, makes perfect sense.
-C
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