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Thought about locality of this Celestine
  
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Max Merlo




Joined: 16 Jan 2018
Posts: 7
Location: Torino

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PostPosted: Jun 08, 2020 13:35    Post subject: Thought about locality of this Celestine  

Dear Friends of Minerals,

I recently bought from a old collection this specimen, the old guy (now in his 85 year) told me that this was from a Russian dealer maybe 10-20 years ago.

The question is about possible locality, if this size and parallel grow give some clue to solve, I don't think is Madagascar one.

Any help, very appreciate.

Max



Celestine_3.jpg
 Mineral: Celestine
 Dimensions: 13 x 10 cm
 Description:
front side and ruler
 Viewed:  628 Time(s)

Celestine_3.jpg



Celestine_2.jpg
 Dimensions: 13 x 10 cm
 Description:
back side
 Viewed:  625 Time(s)

Celestine_2.jpg



Celestine_1.jpg
 Dimensions: 13 x 10 cm
 Description:
front side
 Viewed:  631 Time(s)

Celestine_1.jpg


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Tobi




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PostPosted: Jun 09, 2020 06:36    Post subject: Re: Thought about locality of this Celestine  

Hi Max,

I don't really have an idea where this specimen comes from. This is not really a help, but I have seen similiar large celestite crystals with such a blue hue from several U.S. localities, especially from Michigan (Holloway Quarry, Maybee Quarry). Sorry for not having another idea, I fear this specimen could be from many places around the world :-(

Regards
Tobi

P.S. Is it confirmed that this is celestite and not maybe barite?
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Max Merlo




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PostPosted: Jun 09, 2020 09:58    Post subject: Re: Thought about locality of this Celestine  

Thanks Toby for your suggestion.

Actually I have not verified if it can be barite (I had considered the declared species reliable), but since it does not have a matrix I can try to make a specific weight test;
with this size it should be quite determinable and I will give news.

Regards,
Max
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