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Tsumeb?
  
  Index -> What is it? - Where is it from?
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Mathias




Joined: 01 Apr 2018
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PostPosted: Nov 25, 2018 05:52    Post subject: Tsumeb?  

Dear all,

As a collector, there are Always specimen in your collection of which there's some doubt about the locality or even type of mineral. The subject specimen of this post is already quiet some time in my collection, and I purchased it as:


Mimetite and Dolomite, Tsumeb Namibia.
The specimen is 10 cm long and 6 cm wide.

But: somehow I Always had the impression that this specimen origins from Mexico.
I have no doubt that it is Mimetite and Dolomite. The locality is subject of my doubt.

Has anybody seen similar specimen from either one locality?

Thanks and best regards,

Mathias



202G.JPG
 Mineral: Mimetite
 Description:
Tsumeb Mine, Tsumeb, Otjikoto Region, Namibia?
 Viewed:  545 Time(s)

202G.JPG



202K.JPG
 Description:
Tsumeb Mine, Tsumeb, Otjikoto Region, Namibia?
 Viewed:  544 Time(s)

202K.JPG


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Heimo Hellwig




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PostPosted: Nov 25, 2018 07:52    Post subject: Re: Tsumeb?  

Hi Mathias, although I have not seen a Mimetite/Dolomite specimen similar to yours from Tsumeb, I definetely would not exclude Tsumeb. Mimetite from this locality took on many different forms and combinations with many different minerals. Just my thoughts.
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Heimo
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Jordi Fabre
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PostPosted: Nov 25, 2018 07:54    Post subject: Re: Tsumeb?  

I would say Santa Eulalia, Mexico, and it seems to be with Calcite not with Dolomite.
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crosstimber
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PostPosted: Nov 25, 2018 10:52    Post subject: Re: Tsumeb?  

I agree with Jordi. I have a mimetite with calcite that is identical with your specimen and it is from the San Antonio Mine, Santa Eulalia.
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Joseph DOliveira




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PostPosted: Nov 25, 2018 13:03    Post subject: Re: Tsumeb?  

Looks very much like my specimen from Mexico.


mim1_467.jpg
 Mineral: Mimetite on Dolomite
 Locality:
Santa Eulalia District, Municipio Aquiles Serdán, Chihuahua, Mexico
 Dimensions: 10x6x2 cm
 Description:
 Viewed:  420 Time(s)

mim1_467.jpg



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