We use cookies to show content based on your preferences. If you continue to browse you accept their use and installation. More information. >

FMF - Friends of Minerals Forum, discussion and message board
The place to share your mineralogical experiences

FMF English Forum is moderated by John S. White and Peter Megaw
 

Spanish message board






Newest topics and users posts
19 Jan-07:29:09 Re: franjungle collection (Franjungle)
19 Jan-00:06:45 Re: locality for this probable natrolite (?) specimen? (Pete Modreski)
18 Jan-23:34:38 Re: unsure about japan law twin, please help. (Bob Morgan)
18 Jan-20:52:32 Re: locality for this probable natrolite (?) specimen? (Pete Richards)
18 Jan-20:32:44 Re: locality for this probable natrolite (?) specimen? (Rweaver)
18 Jan-20:02:27 Re: locality for this probable natrolite (?) specimen? (John Medici)
18 Jan-19:09:28 Locality for this probable natrolite (?) specimen? (Pete Modreski)
18 Jan-18:56:47 Re: favourite fluorites? (Colin Robinson)
18 Jan-18:55:42 Re: unsure about japan law twin, please help. (Dennis Beals)
18 Jan-16:30:16 Re: collection of michael shaw (Crosstimber)
18 Jan-15:40:06 Re: help identifying unusual fireplace rocks (Opositica)
18 Jan-14:22:03 Re: favourite fluorites? (Vrigatti)
18 Jan-13:23:11 Re: andreas gerstenberg collection (Don Lum)
18 Jan-12:35:52 Re: collection of enrique llorens (Enrique Llorens)
18 Jan-12:21:58 Re: quartzite - 2018 (Robert Seitz)
18 Jan-12:21:41 Re: quartzite - 2018 (Peter Lemkin)
18 Jan-12:12:27 Re: quartzite - 2018 (Striker.Svr)
18 Jan-11:56:44 Re: andreas gerstenberg collection (Heimo Hellwig)
18 Jan-11:21:55 Re: andreas gerstenberg collection (Andreas Gerstenberg)
18 Jan-10:57:43 Re: a bit on the economics of being a mineral dealer (Alfredo)
18 Jan-10:01:03 Re: a bit on the economics of being a mineral dealer (Joseph D'oliveira)
18 Jan-09:57:15 Re: collection of enrique llorens (Jordi Fabre)
18 Jan-09:02:07 Re: collection of enrique llorens (Max Merlo)
18 Jan-08:17:22 Re: a bit on the economics of being a mineral dealer (Bob Harman)
18 Jan-06:17:40 Re: a bit on the economics of being a mineral dealer (Peter Lemkin)

For lists of newest topics and postings click here


RSS RSS

View unanswered posts

Why and how to register

Index Index
 FAQFAQ RegisterRegister  Log inLog in
 {Forgotten your password?}Forgotten your password?  

Like
38157


The time now is Jan 19, 2018 10:30

Search for a textSearch for a text   

A general guide for using the Forum with some rules and tips
Collection of Carles Millan
  Goto page Previous  1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42
  Index -> Collection photos and Collector's page
Like
448


View previous topic :: View next topic  
Author Message

Carles Millan
Site Admin



Joined: 05 May 2007
Posts: 1242
Location: Catalonia


Access to the FMF Gallery title=

View user's profile

Send private message

PostPosted: Dec 06, 2016 16:44    Post subject: Re: Collection of Carles Millan  

I forgot. Sorry!

The human visible spectrum includes wavelengths from about 390 nm to 700 nm. We cannot see light from below and above such range (which would be UV and IR light respectively). Other animal species can see slightly different wavelengths. But the range that the cameras see must be even more different. Not to mention the big difference of resolutions. So it's no surprise that the photos we get don't match the images we directly see.
Back to top
Reply to topic Reply with quote
Like
1
   

Carles Millan
Site Admin



Joined: 05 May 2007
Posts: 1242
Location: Catalonia


Access to the FMF Gallery title=

View user's profile

Send private message

PostPosted: May 23, 2017 09:19    Post subject: Collection of Carles Millan - Cassiterite from Bolivia  

Cassiterite, quartz

Group of honey-brown, translucent when backlit, cassiterite crystals set on a matrix of crystallized quartz. Several of them are twinned. No damage. Overall size: 98 mm x 90 mm x 72 mm. Main cassiterite crystal: 40 mm wide. Weight: 955 g.

Unless otherwise noted, all photos are copyright by Carles Millan. Reproduction allowed as long as the author's name is cited and the image not modified (if it is not too much to ask...). Creative Commons Attribution Licence - Some Rights Reserved.

My Personal Site


4451M-cassiterite1.jpg
 Mineral: Cassiterite, Quartz
 Locality:
Viloco Mine, Loayza Province, La Paz Department, Bolivia
 Dimensions: 98 mm x 90 mm x 72 mm. Main cassiterite crystal: 40 mm wide
 Description:
 Viewed:  1991 Time(s)

4451M-cassiterite1.jpg



4451M-cassiterite2.jpg
 Mineral: Cassiterite, Quartz
 Locality:
Viloco Mine, Loayza Province, La Paz Department, Bolivia
 Dimensions: 98 mm x 90 mm x 72 mm. Main cassiterite crystal: 40 mm wide
 Description:
 Viewed:  1975 Time(s)

4451M-cassiterite2.jpg


Back to top
Reply to topic Reply with quote
Like
11
   

Tobi




Joined: 07 Apr 2009
Posts: 2550
Location: Good Old Germany


Access to the FMF Gallery title=

View user's profile

Send private message

PostPosted: May 23, 2017 13:00    Post subject: Re: Collection of Carles Millan - Cassiterite from Bolivia  

Carles Millan wrote:
Cassiterite, Quartz
Locality: Viloco Mine, Loayza Province, La Paz Department, Bolivia
As usual, a splendid specimen and a great photo - I guess cassiterite is not easy to photograph. But what are the green/blue areas on the matrix, a copper mineral?
Back to top
Reply to topic Reply with quote
Like
   

Carles Millan
Site Admin



Joined: 05 May 2007
Posts: 1242
Location: Catalonia


Access to the FMF Gallery title=

View user's profile

Send private message

PostPosted: May 24, 2017 03:24    Post subject: Re: Collection of Carles Millan - Cassiterite from Bolivia  

Tobi wrote:
As usual, a splendid specimen and a great photo - I guess cassiterite is not easy to photograph. But what are the green/blue areas on the matrix, a copper mineral?

Thank you, Tobi.

Regarding the blue areas, I don't know what they are, but I consider them as negligible. Probably something like Blu-Tack from the previous owner. I'll try to clean them.
Back to top
Reply to topic Reply with quote
Like
   

Carles Millan
Site Admin



Joined: 05 May 2007
Posts: 1242
Location: Catalonia


Access to the FMF Gallery title=

View user's profile

Send private message

PostPosted: Dec 18, 2017 06:35    Post subject: Collection of Carles Millan - Manganite from Ilfeld  

Manganite

Very bright and lustrous, well formed, jet-black prismatic crystals of manganite. The plate has dozens of sharp columns up to 18 mm tall, striated according to the c-axis with the typical rough flat terminations, densely covering the top of an 110 mm x 54 mm x 39 mm massive manganite matrix. Weight: 347 g. I can't see any damage with my naked eye except in the periphery. An old-time European classic from the type locality that set the standard for the species (and still does). Put on sale in the XIX century by the German dealer Dr. Adam August Krantz (1808-1872), as seen in the label that comes with it. He was then one of the foremost mineral dealers in Europe, established in Bonn from 1850 until his death. Wikipedia: https://en.wikipedia.org/wiki/Adam_August_Krantz

Ilfeld, Nordhausen, Harz, Thuringia/Thüringen, Germany.

Photos are copyrighted by Dan Weinrich.
My Personal Site


4686-manganite1.jpg
 Mineral: Manganite
 Locality:
Ilfeld, Nordhausen, Harz, Thuringia/Thüringen, Germany
 Dimensions: 110 mm x 54 mm x 39 mm. Weight: 347 g
 Description:
 Viewed:  680 Time(s)

4686-manganite1.jpg



4686-manganite3.jpg
 Mineral: Manganite
 Locality:
Ilfeld, Nordhausen, Harz, Thuringia/Thüringen, Germany
 Dimensions: 110 mm x 54 mm x 39 mm. Weight: 347 g
 Description:
From the opposite side
 Viewed:  677 Time(s)

4686-manganite3.jpg



4686L-manganite.jpg
 Mineral: _Manganite
 Locality:
Ilfeld, Nordhausen, Harz, Thuringia/Thüringen, Germany
 Dimensions: 110 mm x 54 mm x 39 mm. Weight: 347 g
 Description:
Venerable original label from the German dealer Adam August Krantz (1808-1872)
 Viewed:  678 Time(s)

4686L-manganite.jpg


Back to top
Reply to topic Reply with quote
Like
12
   

Enrique Llorens




Joined: 02 Jun 2011
Posts: 208


Access to the FMF Gallery title=

View user's profile

Send private message

PostPosted: Dec 18, 2017 10:13    Post subject: Re: Collection of Carles Millan  

Really great acquisition.

Congratulations. Enrique Llorens
Back to top
Reply to topic Reply with quote
Like
   

Tobi




Joined: 07 Apr 2009
Posts: 2550
Location: Good Old Germany


Access to the FMF Gallery title=

View user's profile

Send private message

PostPosted: Dec 18, 2017 12:49    Post subject: Re: Collection of Carles Millan  

Finally something new from your collection, Carles :-) And really GREAT news, as it seems: Congratulations to that specimen, you added one of Europe's most desired classics in superb quality to your collection! I have seen many of these famous Ilfeld manganites in German collections, and even many museums don't own a specimen like that. And even with an old Krantz label! Simply fantastic :-)
Back to top
Reply to topic Reply with quote
Like
2
   

Philippe Durand




Joined: 10 May 2016
Posts: 344
Location: Sainte Adresse


Access to the FMF Gallery title=

View user's profile

Send private message

PostPosted: Dec 18, 2017 13:59    Post subject: Re: Collection of Carles Millan  

stunning manganite; a dream ...
Back to top
Reply to topic Reply with quote
Like
1
   

Carles Millan
Site Admin



Joined: 05 May 2007
Posts: 1242
Location: Catalonia


Access to the FMF Gallery title=

View user's profile

Send private message

PostPosted: Dec 19, 2017 03:39    Post subject: Re: Collection of Carles Millan  

Thanks to all for your kind words.

Tobi wrote:
Finally something new from your collection, Carles :-) And really GREAT news, as it seems: Congratulations to that specimen, you added one of Europe's most desired classics in superb quality to your collection! I have seen many of these famous Ilfeld manganites in German collections, and even many museums don't own a specimen like that. And even with an old Krantz label! Simply fantastic :-)

Tobi, you are fortunate for living at about 200 km from Ilfeld (and Sankt Andreasberg, and Neudorf...). Just one-day round trip and you are able to collect something. For free. Some people at Ilfeld found a rich manganite dump under a 400 y/o oak tree several years ago.
Back to top
Reply to topic Reply with quote
Like
1
   

James
Site Admin



Joined: 14 Sep 2006
Posts: 533
Location: Cambridge


Access to the FMF Gallery title=

View user's profile

Send private message

PostPosted: Dec 19, 2017 05:20    Post subject: Re: Collection of Carles Millan  

Tobi

We could always start a series of threads along the lines of "XXXX's most desired classic". If we are talking about Europe, I want a Siderite box!

James

Tobi wrote:
Finally something new from your collection, Carles :-) And really GREAT news, as it seems: Congratulations to that specimen, you added one of Europe's most desired classics in superb quality to your collection! I have seen many of these famous Ilfeld manganites in German collections, and even many museums don't own a specimen like that. And even with an old Krantz label! Simply fantastic :-)
Back to top
Reply to topic Reply with quote
Like
1
   
Display posts from previous:   
   Index -> Collection photos and Collector's page   All times are GMT - 5 Hours
Page 42 of 42
  Goto page Previous  1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42  

 
Jump to:  
You cannot post new topics in this forum
You cannot reply to topics in this forum
You cannot edit your posts in this forum
You cannot delete your posts in this forum
You cannot vote in polls in this forum
You cannot attach files in this forum
You can download files in this forum


All pictures, text, design © Forum FMF 2006-2018


Powered by FMF