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Peruvian Fluorite: Huayllapon vs. Mundo Nuevo
  
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Philip Mostmans




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PostPosted: Mar 25, 2020 10:23    Post subject: Peruvian Fluorite: Huayllapon vs. Mundo Nuevo  

Hi all,

I was researching and cataloging a Fluorite specimen I recently acquired (photo’s see attach).

The specimen was labelled as “Mundo Nuevo mine” in Peru. I knew the mine from the find in 2010 with the Pink masses of Fluorite with Quartz and Hübnerite. I even saw a piece of green octahedral Fluorite on Quartz at our local fair attributed to the same find/mine. For me it was a done deal and the locality correct.

However I was browsing mindat.org and I noticed very similar specimens being attributed to Huayllapon.
I always knew Huayllapon from the large Quartz needles with partially embedded Green Fluorites near the tips. Most of the specimens I know were stepped cubes (hexahedron dominant) with octahedral modifications, while some specimens on Mindat.org (and the one I have) are octahedrons (dominant) with cubic modifications. The cube modifications are very sharp & gemmy, while the octahedral faces seem more stepped/etched/...

It seems there is an overlap of habits between the two localities, while (as far as I can see on mindat) there is quite some distance between them. What could be the reason behind this? Wrongly attributed specimens? Is there a way to tell similar specimens from both localities apart?

Thank you for any insights!

Philip



1027C3C6-2A0F-4812-A750-D1DC926C5C74.jpeg
 Mineral: Fluorite
 Locality:
Mundo Nuevo mining area, Mundo Nuevo, Huamachuco, Sánchez Carrión Province, La Libertad Department, Peru
 Dimensions: 9cm x 9cm x 6cm
 Description:
 Viewed:  5167 Time(s)

1027C3C6-2A0F-4812-A750-D1DC926C5C74.jpeg



D7E94570-96E4-44DE-8D1D-237C5307A8E4.jpeg
 Mineral: Fluorite
 Locality:
Mundo Nuevo mining area, Mundo Nuevo, Huamachuco, Sánchez Carrión Province, La Libertad Department, Peru
 Dimensions: 2cm
 Description:
 Viewed:  5167 Time(s)

D7E94570-96E4-44DE-8D1D-237C5307A8E4.jpeg


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Matt_Zukowski
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PostPosted: Mar 25, 2020 10:34    Post subject: Re: Peruvian Fluorite: Huayllapon vs. Mundo Nuevo  

This is almost certainly from Mundo Nuevo - i have a piece almost just like it. These came out around 2010.
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Philip Mostmans




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PostPosted: Mar 25, 2020 10:46    Post subject: Re: Peruvian Fluorite: Huayllapon vs. Mundo Nuevo  

Hi Matt,

Thanks for the quick reply!
Other than the specimen in your collection, do you have any other references?
In my opinion and the more I look around on the internet, many of the specimens attributed to Huayllapon, could also be Mundo Nuevo and vice versa. Makes it a bit confusing ;-)
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PostPosted: Mar 25, 2020 11:05    Post subject: Re: Peruvian Fluorite: Huayllapon vs. Mundo Nuevo  

I got mine from Luis Burillo, and he had a bunch of this material back in 2010. I expect that he got the locality correct and thus the correct locality is Mundo Nuevo. That's all I know.
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Philip Mostmans




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PostPosted: Mar 25, 2020 11:21    Post subject: Re: Peruvian Fluorite: Huayllapon vs. Mundo Nuevo  

Thanks Matt!
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