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27 Nov-14:37:49 Re: how hard is it to find a new mineral species? (Roger Warin)
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27 Nov-04:04:58 Re: minerals to be found in only one location (David)
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27 Nov-03:34:09 The mizunaka collection - quartz (Am Mizunaka)
27 Nov-01:38:48 Re: minerals to be found in only one location (Peter Lemkin)
26 Nov-20:22:40 Re: minerals to be found in only one location (Alfredo)
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26 Nov-19:59:36 Re: minerals to be found in only one location (David)
26 Nov-17:11:43 Re: how hard is it to find a new mineral species? (Jordi Fabre)
26 Nov-16:22:43 Re: minerals to be found in only one location (Romain M)
26 Nov-16:04:31 Minerals to be found in only one location (David)
26 Nov-15:28:25 Re: how hard is it to find a new mineral species? (David)
26 Nov-15:16:40 Re: how hard is it to find a new mineral species? (David)
26 Nov-10:15:40 Re: collection of volkmar stingl (Volkmar Stingl)
26 Nov-04:37:05 The mizunaka collection - rhodochrosite (Am Mizunaka)
25 Nov-09:44:09 Re: collection of michael shaw (Michael Shaw)
24 Nov-18:39:08 The mizunaka collection - eosphorite (Am Mizunaka)
24 Nov-16:59:55 Re: the mizunaka collection - rhodochrosite (Am Mizunaka)
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Question about Aquamarine
  
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Roger Warin




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PostPosted: Jul 30, 2022 23:03    Post subject: Question about Aquamarine  

Hello,
Dr André Rostenne owned this aquamarine on orthoclase.
Since 2006 it belongs to the National Museum of Natural History of Luxembourg.
It comes from Minas Gerais, Brazil.
Do you have any additional clarification?



Aquamarine_0736-c_R.jpg
 Mineral: Aquamarine
 Locality:
Minas Gerais, Brazil
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with orthoclase
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Aquamarine_0736-c_R.jpg


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Tobi
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PostPosted: Aug 01, 2022 01:28    Post subject: Re: Question about Aquamarine  

Roger Warin wrote:
Hello, Dr André Rostenne owned this aquamarine on orthoclase. Since 2006 it belongs to the National Museum of Natural History of Luxembourg. It comes from Minas Gerais, Brazil. Do you have any additional clarification?
Hi Roger, no guarantee, but Virgem Da Lapa produced similar specimens ...
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Jordi Fabre
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PostPosted: Aug 01, 2022 01:42    Post subject: Re: Question about Aquamarine  

On the past that kind of pieces were offered as from 'Medina', but honestly, I don't know if that attribution was realistic or not.
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Roger Warin




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PostPosted: Aug 01, 2022 14:15    Post subject: Re: Question about Aquamarine  

Thank you Tobi, Jordi,
The answer can be found in this 2009 link from FMF:
https://www.mineral-forum.com/message-board/viewtopic.php?p=7705#7705
Aquamarine (Beryl)
Virgem da Lapa, Minas Gerais, Brazil.
450x350mm

I prefer Rostenne’s specimen.
Tobi's proposal is correct.
Jordi, you have collected a quantity of exceptional minerals from Aldaberto Giazotto, whom I met several times in Munich, in the company of Roger Titeux.
He was a great man of nuclear science in Italy and an example to follow (intellectually) for amateurs. He knew better than us minerals he collected.
I would like to thank Jordi for initiating and bringing this FMForum to life. It is an unlimited source of information. The only problem is finding it.

The photo shows Adalberto Giazotto with Roger Titeux (Nancy) examining a wulfenite from M'Fouati (Congo Brazza). Francis Coune's specimen.
20 years ago.
Roger.



Giazotto2374&titeux-a_R.jpg
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Adalberto Giazotto and Roger Titeux
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James Catmur
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PostPosted: Aug 01, 2022 16:12    Post subject: Re: Question about Aquamarine  

Roger Warin wrote:
It is an unlimited source of information. The only problem is finding it.


Try:

google site:www.mineral-forum.com warin
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Roger Warin




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PostPosted: Aug 01, 2022 23:37    Post subject: Re: Question about Aquamarine  

Thank you, James
that's a great suggestion, very effective.
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