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Collection of Carles Millan
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Carles Millan
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PostPosted: Nov 13, 2012 09:31    Post subject: Collection of Carles Millan  

Vivianite, siderite

Group of translucent to transparent sharp vivianite crystals with a rich green color, showing the typical tabular habit with a hexagonal shape, set on a matrix of dark brown crystallized siderite with some pyrite at its bottom. From a new find at Colavi mine, which until now had not been known for producing quality vivianite specimens. This very find has yielded too a number of excellent ludlamite groups on the same dark brown siderite and pyrite matrix. Vivianite crystals undamaged. Overall size: 78 mm x 65 mm. Main vivianite crystal: 30 mm x 16 mm x 8 mm. Weight: 216 g.

Colavi Mine, Machacamarca, Cornelio Saavedra, Potosí, Bolivia.

Photos copyright © Carles Millan. Reproduction allowed as long as the author's name is cited and the image not modified. Creative Commons Attribution Licence - Some Rights Reserved.

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7313M-vivianite1.jpg
 Description:
Vivianite, siderite
Colavi Mine, Machacamarca, Cornelio Saavedra, Potosí, Bolivia
78 mm x 65 mm

Partial view from the right
 Viewed:  40508 Time(s)

7313M-vivianite1.jpg



7313M-vivianite4.jpg
 Description:
Vivianite, siderite
Colavi Mine, Machacamarca, Cornelio Saavedra, Potosí, Bolivia
78 mm x 65 mm

Partial view from the left
 Viewed:  40576 Time(s)

7313M-vivianite4.jpg



7313-1024-vivianite3.jpg
 Description:
Vivianite, siderite
Colavi Mine, Machacamarca, Cornelio Saavedra, Potosí, Bolivia
78 mm x 65 mm
 Viewed:  40490 Time(s)

7313-1024-vivianite3.jpg



7313M-vivianite2.jpg
 Description:
Vivianite, siderite
Colavi Mine, Machacamarca, Cornelio Saavedra, Potosí, Bolivia
78 mm x 65 mm
 Viewed:  40515 Time(s)

7313M-vivianite2.jpg


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Tobi
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PostPosted: Nov 13, 2012 09:51    Post subject: Re: Collection of Carles Millan  

That's the stuff mineral collecting was invented for :-)
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PostPosted: Dec 08, 2012 14:01    Post subject: Collection of Carles Millan - Right details for the Chinese Chalcopyrites  

Jordi Fabre wrote:
GneissWare wrote:
Carles Millan wrote:
Chalcopyrite, siderite
Ganzhizhou Mine, Meigu, Liangshan, Sichuan, China.

Hi Carles,
Has the real locality for these finally been determined? (BTW, nice specimen too!)
Bob

Not sure yet, Berthold Ottens is working on it.

Good news, Berthold Ottens finally find out the right locality for these Chalcopyrites with Siderite, for the moment we can say:

Hezhang County, Bijie Prefecture, Guizhou, China

and in three months we will know the name of the mine. According Berthold the paragenesis is very simple: just Chalcopyrite, Siderite, Tetrahedrite and Calcite.

Good job Berthold! ;-)

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chris
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PostPosted: Dec 08, 2012 14:35    Post subject: Re: Collection of Carles Millan  

Great specimen Carles. I think you just convinced me to add one like this to my collection.

Cheers

Christophe
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Carles Millan
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PostPosted: Dec 08, 2012 14:37    Post subject: Re: Collection of Carles Millan - Right details for the Chinese Chalcopyrites  

Jordi Fabre wrote:
Good news, Berthold finally find out the right locality for these Chalcopyrites with Siderite, for the moment we can say:
Hezhang County, Bijie Prefecture, Guizhou, China

and in three months we will know the name of the mine. According Berthold the paragenesis is very simple: just Chalcopyrite, Siderite, Tetrahedrite and Calcite.
Good job Berthold! ;-)

Jordi,

IMHO that cannot be considered a locality yet. Hezhang County is neither a city nor a town, but an administrative area that might have a large extension.

In addition, and according to Wikipedia, Hezhang County and Bijie Prefecture belong to the Guizhou province, not Guangxi.

Let's wait for Berthold to make that data more accurate before amending our records.

Thanks for the info!
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Carles Millan
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PostPosted: Dec 08, 2012 14:40    Post subject: Re: Collection of Carles Millan - Right details for the Chinese Chalcopyrites  

Carles Millan wrote:
IMHO that cannot be considered a locality yet. Hezhang County is not a city nor a town, but an administrative area that might have a large extension.
In addition, and according to Wikipedia, Hezhang County and Bijie Prefecture belong to the Guizhou province, not Guangxi.
Let's wait for Berthold to make that data more precise before amending our records.
Thanks for the info!

We are talking about this specimen https://www.mineral-forum.com/message-board/viewtopic.php?p=26356#26356
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PostPosted: Dec 08, 2012 14:58    Post subject: Re: Collection of Carles Millan - Right details for the Chinese Chalcopyrites  

Carles Millan wrote:
Jordi,
IMHO that cannot be considered a locality yet. Hezhang County is not a city nor a town, but an administrative area that might have a large extension.
In addition, and according to Wikipedia, Hezhang County and Bijie Prefecture belong to the Guizhou province, not Guangxi.
Let's wait for Berthold to make that data more accurate before amending our records.
Thanks for the info!

Thanks Carles, I already modified "Guangxi" for "Guizhou" and "locality" for "details" in the title of the other thread The right details for the new Chinese Chalcopyrites with Siderite!

As I said: "Berthold Ottens finally find out the right locality for these Chalcopyrites with Siderite, for the moment we can say... and in three months we will know the name of the mine ..."

you can amend your records now or then, this is up you.
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Joseph DOliveira




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PostPosted: Dec 21, 2012 22:52    Post subject: Re: Collection of Carles Millan  

Very nice selection of specimens Carles, I enjoy reviewing your collection photo's.
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Carles Millan
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PostPosted: Dec 24, 2012 04:09    Post subject: Re: Collection of Carles Millan  

Joseph D'Oliveira wrote:
Very nice selection of specimens Carles, I enjoy reviewing your collection photo's.

Thank you, Joseph. I'm glad you like them.
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PostPosted: Mar 01, 2013 08:37    Post subject: Collection of Carles Millan  

(Old specimen, improved photos)

Rhodochrosite, fluorite

Red pink scalenohedral rhodochrosite crystals, some of them doubly terminated, with several complex colorless small fluorite crystals scattered on a matrix of manganese oxides. Specimen size: 84 mm x 65 mm across. Major rhodochrosite crystal length: 26 mm. Weight: 463 g.

Uchucchacua Mine, Oyon Province, Lima Department, Peru.

Photos copyright © Carles Millan. Reproduction allowed as long as the author's name is cited. Creative Commons Attribution Licence - Some Rights Reserved.



5470M-rhodochrosite2.jpg
 Description:
Rhodochrosite, fluorite.
Uchucchacua Mine, Oyon Province, Lima Department, Peru
84 mm x 65 mm
 Viewed:  38919 Time(s)

5470M-rhodochrosite2.jpg



5470M-rhodochrosite.jpg
 Description:
Rhodochrosite, fluorite.
Uchucchacua Mine, Oyon Province, Lima Department, Peru
84 mm x 65 mm
 Viewed:  38994 Time(s)

5470M-rhodochrosite.jpg



5470MC-rhodochrosite1.jpg
 Description:
Rhodochrosite, fluorite.
Uchucchacua Mine, Oyon Province, Lima Department, Peru
84 mm x 65 mm

Close-up view
 Viewed:  38930 Time(s)

5470MC-rhodochrosite1.jpg



5470MC-rhodochrosite2.jpg
 Description:
Rhodochrosite, fluorite.
Uchucchacua Mine, Oyon Province, Lima Department, Peru
84 mm x 65 mm

Close-up view
 Viewed:  38988 Time(s)

5470MC-rhodochrosite2.jpg



Uchuc.jpg
 Description:
_Geographical position of Uchucchacua Mine

To whom that might be interested, the complete map is available at http://carlesmillan.cat/min/CPeru.png
 Viewed:  38964 Time(s)

Uchuc.jpg


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PostPosted: Mar 01, 2013 10:43    Post subject: Re: Collection of Carles Millan  

Thank you, I've never seen such beautiful scalenohedra.
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PostPosted: Mar 14, 2013 16:23    Post subject: Collection of Carles Millan  

Fluorapatite, siderite

Zoned purple and colorless fluorapatite crystal group, showing parallel tabular growth, with siderite. Size: 38 mm x 24 mm x 20 mm. Weight: 20.2 g.

This specimen is illustrated in the softcover book Apatite: The Great Pretender, vol. 17, ExtraLapis English series, year 2013, included in the article The Panasqueira Mines: One Hundred Years of Fluorapatite, page 70, by Carles Curto and Jordi Fabre, in the magazine Mineral Up, 2013/1, page 46, and in The Mineralogical Record, 45/1, page 38.

Panasqueira, Covilhã, Castelo Branco District, Portugal.

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2012-10-0064.jpg
 Description:
Fluorapatite, siderite
Panasqueira, Covilhã, Castelo Branco District, Portugal
38 mm x 24 mm x 20 mm.

Photo by Jeff Scovil
 Viewed:  38728 Time(s)

2012-10-0064.jpg



P2141765.JPG
 Description:
Fluorapatite, siderite
Panasqueira, Covilhã, Castelo Branco Distric, Portugal
38 mm x 24 mm x 20 mm.

As exposed at the 2013 Tucson Show
 Viewed:  38050 Time(s)

P2141765.JPG


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Carles Curto




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PostPosted: Mar 15, 2013 08:03    Post subject: Re: Collection of Carles Millan  

A charming piece I know only by the photo (I hope "to meet" it directly soon at Carles Millán home).

With this article we intent to be really exhaustive about the fluorapatite of Panasqueira (we had literally watched hundreds of samples, observing colors, associations, sizes, shapes and crystalline forms)
At the same time we are very grateful to Lithographie for the excellent edition and translation from Spanish.
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PostPosted: Mar 15, 2013 08:42    Post subject: Re: Collection of Carles Millan  

Very beautiful fluorapatite Carles ;)
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PostPosted: Mar 15, 2013 09:41    Post subject: Re: Collection of Carles Millan  

Absolutely wonderful fluorapatite Carles. I love the darker purple zones in the crystals. Thanks for showing it.
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PostPosted: Mar 15, 2013 09:53    Post subject: Re: Collection of Carles Millan  

Super specimen!

- Tracy

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Carles Millan
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PostPosted: Mar 15, 2013 10:03    Post subject: Collection of Carles Millan  

Carles Curto, Benj, crosstimber, Tracy:

Many thanks for your kind comments. I'm very glad you like it.
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PostPosted: Mar 15, 2013 10:18    Post subject: Re: Collection of Carles Millan  

Beyond a doubt this is the loveliest fluorapatite I have ever seen!

( https://www.mineral-forum.com/message-board/viewtopic.php?p=29584#29584 )

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PostPosted: Mar 15, 2013 10:43    Post subject: Collection of Carles Millan  

And a special acknowledgement to the article's authors, Carles Curto and Jordi Fabre, who did a great work. It is highly recommendable for apatite and Panasqueira minerals lovers.

Apatite: The Great Pretender, vol. 17, ExtraLapis English series, by Lithographie Ltd., year 2013, page 70, The Panasqueira Mines: One Hundred Years of Fluorapatite, available at https://www.mineralogicalrecord.com/bookdetail.asp?id=103
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PostPosted: Mar 15, 2013 10:51    Post subject: Re: Collection of Carles Millan  

John S. White wrote:
Beyond a doubt this is the loveliest fluorapatite I have ever seen!

Thank you, John! I am sure you have seen tens of thousands of fluorapatites during your entire life so your words here have a very special meaning to me.
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