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Rarest beautifully crystallized minerals
  
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David




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PostPosted: Mar 20, 2021 17:44    Post subject: Rarest beautifully crystallized minerals  

Hello!
To your knowledge, which are the rarest minerals on Earth that are actually beautifully crystallized (not microscopic granules or some powdery stuff on a rock)? Many thanks!
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alfredo
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PostPosted: Mar 20, 2021 17:54    Post subject: Re: Rarest beautifully crystallized minerals  

How about andyrobertsite? Beautiful blue crystal, and only one specimen in existence, plus a few tiny crumbs for the systematic rare species collectors that were broken off of the one big piece.
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David




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PostPosted: Mar 20, 2021 18:04    Post subject: Re: Rarest beautifully crystallized minerals  

Thank you Alfredo!
I think this is the first time I have heard about andyrobertsite. It is beautiful indeed, nice bluish color! To be found in Tsumeb, no surprise...
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jfc035




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PostPosted: Aug 15, 2021 11:08    Post subject: Re: Rarest beautifully crystallized minerals  

Wittichenite is a good trade off between rarity and beautiness of the (best, australian) crystals.

Published at: The MIM Museum in Beirut, Lebanon

MIM Museum wrote:

Mineral: Wittichenite
Locality: Cattle Grid deposit (Mount Gunson), Mount Gunson Copper mines, Pernatty Lagoon, Stuart Shelf, South Australia, Australia
Dimensions: 4,0 x 3,0 x 3,5 cm
Description: Main crystal size: 3,9 cm
Brilliant, silvery single crystal that is perfectly terminated and very rich in facets
Mim number 1383
Photographer: James Elliott (FMl)




1383_192.jpg
 Mineral: Wittichenite
 Locality:
Cattle Grid deposit (Mount Gunson), Mount Gunson Copper mines, Pernatty Lagoon, Stuart Shelf, South Australia, Australia
 Dimensions: 4,0 x 3,0 x 3,5 cm
 Description:
MIM Museum, number 1383
Photographer: James Elliott (FMl)
 Viewed:  1325 Time(s)

1383_192.jpg


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Jordi Fabre
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PostPosted: Aug 17, 2021 08:15    Post subject: Re: Rarest beautifully crystallized minerals  

jfc035 wrote:

Wittichenite is a good trade off between rarity and beauty of the (best, Australian) crystals


It is normal to credit other people's images when we publish them. In this case the photo of this fabulous Wittichenite should be credited as follows:

MIM Museum wrote:

Mineral: Wittichenite
Locality: Cattle Grid deposit (Mount Gunson), Mount Gunson Copper mines, Pernatty Lagoon, Stuart Shelf, South Australia, Australia
Dimensions: 4,0 x 3,0 x 3,5 cm
Description: Main crystal size: 3,9 cm
Brilliant, silvery single crystal that is perfectly terminated and very rich in facets
Mim number 1383
Photographer: James Elliott (FMl)


because this photo is in the extraordinary thread: The MIM Museum in Beirut, Lebanon

I already added the details to your post
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