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Carles Millan
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Joined: 05 May 2007
Posts: 1474
Location: Catalonia
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Posted: Oct 13, 2009 03:34 Post subject: Re: Collection of Carles Millan |
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Montanpark wrote: | How many specimens do you currently have on display Carles? |
About 230, plus some 70 more from Catalonia with lower quality but somewhat high local value, most of them field collected by myself.
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Carles Millan
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Joined: 05 May 2007
Posts: 1474
Location: Catalonia
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Carles Millan
Site Admin
Joined: 05 May 2007
Posts: 1474
Location: Catalonia
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Posted: Oct 13, 2009 16:48 Post subject: Collection of Carles Millan |
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Malachite after azurite
Malachite pseudomorph after azurite. A toenail size specimen. Overall size: 35 mm x 30 mm. Weight: 23 g. Purchased in 1966 from Francesc Coma Molist, former curator of the Folch collection, for €1.20 (about €30 adjusted to today's inflation).
Tsumeb, Otjikoto Region, Namibia.
This specimen is no longer in my collection.
Photos copyright © Carles Millan. Reproduction allowed as long as the author's name is cited. Creative Commons Attribution License - Some Rights Reserved.
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Malachite after azurite Tsumeb, Otjikoto Region, Namibia 35 mm x 30 mm |
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Malachite after azurite Tsumeb, Otjikoto Region, Namibia 35 mm x 30 mm |
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Malachite after azurite Tsumeb, Otjikoto Region, Namibia 35 mm x 30 mm
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Carles Millan
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Joined: 05 May 2007
Posts: 1474
Location: Catalonia
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Posted: Oct 15, 2009 16:58 Post subject: Collection of Carles Millan |
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Quartz, arsenopyrite, mica
Group of two quartz crystals on a bed of lustrous crystalized arsenopyrite (this not well reproduced in the photo below) with dolomite and a little mica. Undamaged except the periphery and some microchipping on the quartz edges. Overall size: 115 mm x 90 mm. Main quartz crystal: 46 mm wide, 115 mm tall. Weight: 961 g.
Panasqueira Mines, Level 2, Panasqueira, Covilhã, Castelo Branco District, Portugal.
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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Quartz, arsenopyrite, mica Panasqueira Mines, Level 2, Panasqueira, Covilhã, Castelo Branco District, Portugal 115 mm x 90 mm. Main quartz crystal: 46 mm wide, 115 mm tall |
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Quartz, arsenopyrite, mica Panasqueira Mines, Level 2, Panasqueira, Covilhã, Castelo Branco District, Portugal 115 mm x 90 mm. Main quartz crystal: 46 mm wide, 115 mm tall |
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Carles Millan
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Joined: 05 May 2007
Posts: 1474
Location: Catalonia
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Posted: Oct 17, 2009 14:31 Post subject: Collection of Carles Millan |
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Here is a picture of a temporary assortment of specimens from different countries that for some reason don't fit with the other showcases (43 pieces).
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Tobi
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Joined: 07 Apr 2009
Posts: 4110
Location: Germany
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Posted: Oct 17, 2009 17:35 Post subject: Re: Collection of Carles Millan |
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Very nice, thank you, Carles.
Two questions:
The large white crystal to the left of the center, what is is? Calcite?
The green mineral beneath the realgar on the right side, is that Riemvasmaak fluorite?
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Ed Huskinson
Joined: 15 Apr 2009
Posts: 318
Location: Kingman, Arizona
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Posted: Oct 17, 2009 18:50 Post subject: Re: Collection of Carles Millan |
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Hi Carles. Nice rocks, nice displays, all of them. Where did you get your display cabinets??
Oh, and the Naica gypsum, single crystal on martix, dead center, bottom row. Did it come to you with a Romero label? It very much looks like one that I acquired for Miguel, and he decided that he had enough gypsum specimens from there, and that I could just keep it. I sold it at the Pleasanton, California show in 1979 or thereabouts. Just curious.
Thanks.
Ed
_________________ La respuesta está en las rocas!! Estudiadlas!!
Ed |
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Jason
Joined: 31 Dec 2008
Posts: 254
Location: atlanta
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Posted: Oct 17, 2009 23:41 Post subject: Re: Collection of Carles Millan |
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Hey carles is that a large rutile crystal i see in that last pic at the top towards the left? nice pics..keep 'em comin'
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Carles Millan
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Joined: 05 May 2007
Posts: 1474
Location: Catalonia
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Carles Millan
Site Admin
Joined: 05 May 2007
Posts: 1474
Location: Catalonia
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Posted: Oct 18, 2009 03:59 Post subject: Re: Collection of Carles Millan |
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Ed Huskinson wrote: | Hi Carles. Nice rocks, nice displays, all of them. Where did you get your display cabinets?? |
I got them for free. When I bought my current apartment the previous owner unexpectedly asked me if I would mind to keep several showcases that were difficult for him to take out. He was not a mineral collector but he and his wife used to spend their leisure time building paper models, that then were exposed in the display cabinets. Of course I answered 'no' right away (I did NOT mind). However, they are not the best kind of showcases to show minerals, so I'm not very happy with them.
Ed Huskinson wrote: | Oh, and the Naica gypsum, single crystal on martix, dead center, bottom row. Did it come to you with a Romero label? |
Such gypsum came to me with no collector label, so I assume it is not from the Miguel Romero collection. But there is no certainty. As you well know some specimens change hands many times and then the original labels are often missing. This piece is posted at https://www.mineral-forum.com/message-board/viewtopic.php?p=4684#4684
Thank you for your interest,
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Carles Millan
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Joined: 05 May 2007
Posts: 1474
Location: Catalonia
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Ed Huskinson
Joined: 15 Apr 2009
Posts: 318
Location: Kingman, Arizona
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Posted: Oct 18, 2009 14:30 Post subject: Re: Collection of Carles Millan |
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Thanks Carles! I went to the url you provided and was able to take a good close look at piece 6349M. What a beauty it is indeed!!! You can see right through the crystal to the matrix below. Looks like the crystal has been deposited on a matrix of carbonate (limestone or dolomite) breccia. It is actually possible to study the underlying matrix (spacing and size of the fragments, things like that) through the crystal itself. Wow!
The piece I had in mind is similar, on a single piece of similar/same matrix, but without the breccia (or whatever) fragments. I believe it was a slightly darker colour as well, darker grey, not quite black.
Probably similar vintage though.
Thanks for the reply, and the opportunity to look at your stuff.
Oh, and congratulations on your freebie display cabinets. Woo Hoo!!!
Later,
Ed
_________________ La respuesta está en las rocas!! Estudiadlas!!
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Carles Millan
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Joined: 05 May 2007
Posts: 1474
Location: Catalonia
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Posted: Oct 19, 2009 05:14 Post subject: Re: Collection of Carles Millan |
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Ed Huskinson wrote: | Looks like the crystal has been deposited on a matrix of carbonate (limestone or dolomite) breccia. |
Hi Ed!
I think the gypsum matrix is neither limestone nor dolostone. It might be a complex material that in my Catalan mother tongue is known as 'marga', in English 'marl' or 'marlstone', and is "a calcium carbonate or lime-rich mud or mudstone which contains variable amounts of clays and aragonite" (according to the English Wikipedia). Most sources, however, refer to 'calcite' or 'limestone' instead of aragonite.
Such specimen as a whole seems rather good, but by making a search on the net you can find many others, also from Naica, that are much better ( for the casual reader: we are talking about this: https://www.mineral-forum.com/message-board/viewtopic.php?p=4684#4684 )
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Carles Millan
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Joined: 05 May 2007
Posts: 1474
Location: Catalonia
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Posted: Oct 20, 2009 09:25 Post subject: Collection of Carles Millan |
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Quartz, hematite
Group of quartz and hematite crystals. Overall size: 140 mm x 110 mm. Weight: 849 g.
Jinlong hill, Lungchuan, Heyuan, Guangdong, China.
This specimen is no longer in my collection.
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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Quartz, hematite Jinlong hill, Lungchuan, Heyuan, Guangdong, China 140 mm x 110 mm |
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Carles Millan
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Joined: 05 May 2007
Posts: 1474
Location: Catalonia
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Posted: Oct 24, 2009 09:12 Post subject: Collection of Carles Millan |
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Quartz, hematite
Another view of the previous specimen.
Photos copyright © Carles Millan. Reproduction allowed as long as the author's name is cited. Creative Commons Attribution License - Some Rights Reserved.
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Quartz, hematite Jinlong hill, Lungchuan, Heyuan, Guangdong, China 140 mm x 110 mm |
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jaysminerals
Joined: 28 Jun 2009
Posts: 50
Location: Bavaria
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Posted: Oct 24, 2009 14:30 Post subject: Re: Collection of Carles Millan |
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Hi Carles
Very nice specimens you add from day to day. Especially the last one ( https://www.mineral-forum.com/message-board/viewtopic.php?p=18366#18366 ) is a phantastic piece. Can you shoot me a private message how much a piece like this is. I want to look for something like that in Munich and want to know what prices (at least a range) are on pieces like this.
Thanks.
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Carles Millan
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Joined: 05 May 2007
Posts: 1474
Location: Catalonia
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Posted: Oct 24, 2009 17:15 Post subject: Collection of Carles Millan |
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Pyrite, quartz, calcite?
Group of pyrite crystals on quartz. Overall size: 71 mm x 52 mm. Main pyrite crystal: 31 mm wide, 29 mm on edge. Weight: 149 g. The crack that is visible in the photos seems to be natural, not man made, likely caused by very old tectonic movements. Among the quartz there are other crystals, colorless and transparent, with rhombohedral habit, that might be calcite or dolomite.
The crystallography of this specimen is very interesting. The main crystal is basically an octahedron {111} but also shows pyritohedron {210} and rhombododecahedron {110} faces. Although octahedrons and pyritohedrons are quite usual in pyrite crystals, rhombododecahedrons are really rare. Please see more details about the habit in one of the photos below.
Huanzala Mine, Huallanca District, Dos de Mayo Province, Huánuco Department, Peru.
Photos copyright © Carles Millan. Reproduction allowed as long as the author's name is cited. Creative Commons Attribution License - Some Rights Reserved.
My Personal Site
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Pyrite, quartz, calcite? Huanzala Mine, Huallanca District, Dos de Mayo Province, Huánuco Department, Peru 71 mm x 52 mm |
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Pyrite, quartz, calcite? Huanzala Mine, Huallanca District, Dos de Mayo Province, Huánuco Department, Peru 71 mm x 52 mm |
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Pyrite, quartz, calcite? Huanzala Mine, Huallanca District, Dos de Mayo Province, Huánuco Department, Peru 71 mm x 52 mm |
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Pyrite, quartz, calcite? Huanzala Mine, Huallanca District, Dos de Mayo Province, Huánuco Department, Peru 71 mm x 52 mm
Pay attention to the octahedron {111}, pyritohedron {210} and the uncommon (in pyrite) rhombododecahedron {110} faces. Anyone interested to learn what the Miller indices are can get a primer from the Wikipedia at http://en.wikipedia.org/wiki/Miller_index |
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Jason
Joined: 31 Dec 2008
Posts: 254
Location: atlanta
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Posted: Oct 24, 2009 18:21 Post subject: Re: Collection of Carles Millan |
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Very nice pyrite spec. Carles!
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Carles Millan
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Joined: 05 May 2007
Posts: 1474
Location: Catalonia
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Posted: Oct 25, 2009 05:11 Post subject: Re: Collection of Carles Millan |
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amethystguy wrote: | Very nice pyrite spec. Carles! |
Very glad you like it!
Thanks,
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Carles Millan
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Joined: 05 May 2007
Posts: 1474
Location: Catalonia
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Posted: Oct 26, 2009 03:52 Post subject: Collection of Carles Millan |
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Cassiterite, beryl, muscovite
Cassiterite complex crystal set on a matrix of gemmy colorless beryl with some well formed, projecting up, bladed muscovite crystals. Although not well defined in the photograph, in the front side there are about 18 single beryl crystals plus about 11 more on the back. Overall size: 81 mm x 57 mm. Cassiterite crystal: 31 mm wide. Main beryl crystal: 22 mm wide. Weight: 169 g. It's almost a floater. Undamaged.
Mt Xuebaoding, Pingwu Co., Mianyang Prefecture, Sichuan Province, China.
Photos copyright © Carles Millan. Reproduction allowed as long as the author's name is cited. Creative Commons Attribution License - Some Rights Reserved.
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Cassiterite, beryl, muscovite Mt Xuebaoding, Pingwu Co., Mianyang Prefecture, Sichuan Province, China 81 mm x 57 mm. Cassiterite crystal: 31 mm wide. Main beryl crystal: 22 mm wide |
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Cassiterite, beryl, muscovite Mt Xuebaoding, Pingwu Co., Mianyang Prefecture, Sichuan Province, China 81 mm x 57 mm. Cassiterite crystal: 31 mm wide. Main beryl crystal: 22 mm wide |
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Cassiterite, beryl, muscovite Mt Xuebaoding, Pingwu Co., Mianyang Prefecture, Sichuan Province, China 81 mm x 57 mm. Cassiterite crystal: 31 mm wide. Main beryl crystal: 22 mm wide
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