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Collection of Tobi
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Tobi




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PostPosted: Oct 26, 2014 07:33    Post subject: Re: Collection of Tobi  

New galena:


NaicaGAL.JPG
 Mineral: Galena, calcite
 Locality:
Naica Mine, Naica, Municipio Saucillo, Chihuahua, Mexico
 Dimensions: 60 mm x 50 mm x 30 mm, largest galena 15 mm
 Description:
Galena crystals up to 1,5 cm associated with small calcite crystals on matrix. From Naica Mine in Mexico. Specimen size 6 cm.
 Viewed:  13409 Time(s)

NaicaGAL.JPG


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Tobi




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PostPosted: Oct 26, 2014 08:02    Post subject: Re: Collection of Tobi  

New fluorite:


ShangbaoFLUO.JPG
 Mineral: Fluorite with Calcite
 Locality:
Shangbao Mine, Leiyang, Hengyang Prefecture, Hunan Province, China
 Dimensions: 105 mm x 100 mm x 30 mm, largest fluorite 20 mm
 Description:
Pale green fluorite crystals up to 2 cm together with calcite on matrix. From Shangbao Mine in China. Specimen size 10,5 cm.
 Viewed:  13436 Time(s)

ShangbaoFLUO.JPG


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Tobi




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PostPosted: Oct 26, 2014 08:37    Post subject: Re: Collection of Tobi  

New calcite:


ElmwoodCAL.JPG
 Mineral: Calcite on Sphalerite
 Locality:
Elmwood Mine, Carthage, Central Tennessee Ba-F-Pb-Zn District, Smith County, Tennessee, USA
 Dimensions: 70 mm x 60 mm x 30 mm, calcite measures 55 mm
 Description:
Beautiful golden scalenohedron (5,5 cm) on dark sphalerite matrix. From Elmwood Mine in Tennessee. Specimen height 7 cm.
 Viewed:  13397 Time(s)

ElmwoodCAL.JPG


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Tobi




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PostPosted: Oct 30, 2014 11:59    Post subject: Re: Collection of Tobi  

A small package of Swiss alpine quartzes:

All of them completely transparent, especially the small one from Val Giuv - you can completely look through and even see objects in the distance as if you'd look through a window.



SmokyQuartzes.JPG
 Mineral: Smoky quartz
 Locality:
Switzerland
 Dimensions: Smallest one 5, largest one 7 cm
 Description:
 Viewed:  13281 Time(s)

SmokyQuartzes.JPG


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Tobi




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PostPosted: Nov 02, 2014 07:19    Post subject: Re: Collection of Tobi  

A small bute nice calcite specimen from Saxony:


BösenbCAL.JPG
 Mineral: Calcite on ankerite
 Locality:
Bösenbrunn, Oelsnitz, Vogtland, Oelsnitz, Vogtland, Saxony/Sachsen, Germany
 Dimensions: Specimen size 3,5 cm, crystal 13 mm
 Description:
Pale yellow calcite ("Kanonenspat" shape) on brown ankerite. From Bösenbrunn, Thuringia, Germany. Specimen size 3,5 cm.
 Viewed:  13169 Time(s)

BösenbCAL.JPG


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GneissWare




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PostPosted: Nov 02, 2014 08:22    Post subject: Re: Collection of Tobi  

Tobi wrote:
A small but nice calcite specimen from Saxony:

Very nice Calcite
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Jamison Brizendine




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PostPosted: Nov 14, 2014 13:29    Post subject: Re: Collection of Tobi  

What a cute collection of smoky quartz crystals from Switzerland (SmokyQuartzes.JPG, pg. 29). The idea of making collages of specimens is very cool and I wish they would do this in mineralogy textbooks to show differences in minerals and localities.
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Tobi




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PostPosted: Nov 15, 2014 05:04    Post subject: Re: Collection of Tobi  

Hi Jamison,

You're right: Such collage arrangements sometimes can be good to show differences, that's why I got this idea when I wanted to show those Swiss crystals. But there ARE some mineralogical textbooks where these types of photos are used, at least in older books where this was the typical way to show specimens ...

Tobi
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Tobi




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PostPosted: Dec 06, 2014 10:23    Post subject: Re: Collection of Tobi  

Spessartine from Tanzania:


Loliondo2.JPG
 Mineral: Spessartine
 Locality:
Sangulungulu Hill (Nani Hill), Naan village, Loliondo, Ngorongoro District, Arusha Region, Tanzania
 Dimensions: Specimen size 5 cm, each crystal measures 1 cm
 Description:
Two perfect orange spessartine crystals (each one measures 1 cm) on schist matrix. From Nani Hill in Tanzania, specimen size 5 cm.
 Viewed:  12632 Time(s)

Loliondo2.JPG



Loliondo1.JPG
 Mineral: Spessartine
 Locality:
Sangulungulu Hill (Nani Hill), Naan village, Loliondo, Ngorongoro District, Arusha Region, Tanzania
 Dimensions: Specimen size 5 cm, each crystal measures 1 cm
 Description:
 Viewed:  12651 Time(s)

Loliondo1.JPG


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crosstimber
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PostPosted: Dec 06, 2014 10:45    Post subject: Re: Collection of Tobi  

Hi Tobi,

In general, I am not a fan of the spessartines from Loliondo, but I like your specimen a lot because of the sharp crystals placed aesthetically on matrix. Congratulations.
Michael
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Tobi




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PostPosted: Dec 06, 2014 10:56    Post subject: Re: Collection of Tobi  

Thanks Michael, I also fell immediately in love with it :)

Quartz from Huanggang:

There are some kinds of hollow casts of a rhombohedral mineral (calcite, siderite, ankerite, dolomite?) at the backside of the specimen. I will take some detail photos during the next days, maybe one of you has an idea what it could be ...



HuangQUA.JPG
 Mineral: Quartz
 Locality:
Huanggang Mines, Hexigten Banner (Kèshíkèténg Qí), Ulanhad (Chifeng), Inner Mongolia Autonomous Region, China
 Dimensions: Specimen height 11 cm
 Description:
Quartz cluster from the giant deposits of Huanggang in China, specimen height 11 cm.
 Viewed:  12635 Time(s)

HuangQUA.JPG


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Tobi




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PostPosted: Dec 06, 2014 11:08    Post subject: Re: Collection of Tobi  

Rhodochrosite from Peru:

(Though my forum avatar shows a nice specimen from Uchucchacua Mine, this new acquisiton is much better)



UchuRHOD.JPG
 Mineral: Rhodochrosite
 Locality:
Uchucchacua Mine, Oyón Province, Lima Department, Peru
 Dimensions: Specimen height 3,5 cm, largest crystal 14 mm
 Description:
 Viewed:  12641 Time(s)

UchuRHOD.JPG


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Tobi




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PostPosted: Dec 06, 2014 11:18    Post subject: Re: Collection of Tobi  

Amethyst from Mexico:


AmatitAME.JPG
 Mineral: Amethyst
 Locality:
Amatitlán, Municipio Zumpango del Río, Guerrero, Mexico
 Dimensions: Specimen size 4,5 cm, largest crystal 2,5 cm
 Description:
 Viewed:  12605 Time(s)

AmatitAME.JPG


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Carles Millan
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PostPosted: Dec 06, 2014 12:34    Post subject: Re: Collection of Tobi  

Tobi wrote:
Amethyst from Mexico:

What a nice group of pieces! You're learning very quickly, not only how to select new specimens but how to shoot them too. Congrats!
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Vitaliy




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PostPosted: Dec 06, 2014 12:45    Post subject: Re: Collection of Tobi  

Tobi do you have any self-collected minerals you could also showcase? It seems that most of the specimens displayed are acquired.
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Tobi




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PostPosted: Dec 06, 2014 13:39    Post subject: Re: Collection of Tobi  

Carles Millan wrote:
What a nice group of pieces! You're learning very quickly, not only how to select new specimens but how to shoot them too. Congrats!
Thank you, Carles! But it always depends on the specimens whether a photo is good or not, I know you often struggle with that, too. Specimens like the Peruvian rhodo and the Amatitlan amethyst are easy to shoot, I just took some photos and got these results. The spessartine from Tanzania, as you can see, has not the same photo quality as those two. And then there's another garnet specimen I wanted to show, a spessartine from Pakistan, but the photos were too bad, I'll try another day ...

Vitaliy M. wrote:
Tobi do you have any self-collected minerals you could also showcase? It seems that most of the specimens displayed are acquired.
Not most of them. ALL of them. I keep some minor specimens that I once collected, but none of them is good enough for my display collection. I once found some unusually large olivine crystals, here's a photo of my best find: http://www.mineral-forum.com/message-board/viewtopic.php?p=4809#4809

Tobi
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Vitaliy




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PostPosted: Dec 06, 2014 19:12    Post subject: Re: Collection of Tobi  

Tobi, self-collected specimens give a collection a different flavor or atmosphere in addition to self-collected specimens. While I agree that a good percentage of self-collected specimens are low-end, there can still be mid and high-end specimens found if enough effort or work is put in to finding them.

Don't hesitate to show those specimens as well. Germany has many localities and places where various specimens can be found. Germany is especially rich in Silver minerals (a favorite of mine) along with native elements.

On the subject of your recent additions, I like the Huangangliang Quartz. It reminds me of Dal'negorsk Quartz.
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Tobi




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PostPosted: Dec 07, 2014 15:28    Post subject: Re: Collection of Tobi  

Tobi wrote:
Though my forum avatar shows a nice specimen from Uchucchacua Mine, this new acquisiton is much better
I just had to update my avatar according to my new standard of Peruvian rhodos ;-)

Vitaliy M. wrote:
Tobi, self-collected specimens give a collection a different flavor or atmosphere in addition to self-collected specimens. While I agree that a good percentage of self-collected specimens are low-end, there can still be mid and high-end specimens found if enough effort or work is put in to finding them. Don't hesitate to show those specimens as well. Germany has many localities and places where various specimens can be found. Germany is especially rich in Silver minerals (a favorite of mine) along with native elements.
Sure, self-collected specimens always add something very personal to a collection. But I have limited space, there's only one display cabinet in our home and I have to make a good choice of about 130 specimens to be on display. As a friend of aesthetic classics from all around the world, my self-found "rocks" have no chance to be displayed, they have to be stored somewhere in boxes.

And you're also right that Germany has (or rather had) a lot of great collector minerals. But I don't have the time or the equipment to go on the hunt for the really good stuff - which is not much these days. My country has been a treasure chamber for many centuries, but mineral deposits are not endless and in the 21st century there are not many world-class localities that still produce good stuff. There are some really good German specimens in my collection, even from newer finds (mimetite from Badenweiler in Black Forest or galena from Meyer quarry in Eifel, if you know these localities), but I wouldn't have the opportunity to collect them by myself. However, I can even enjoy good minerals when they have been found by others.

Vitaliy M. wrote:
On the subject of your recent additions, I like the Huangangliang Quartz. It reminds me of Dal'negorsk Quartz.
This area is a gorgeous locality and no wonder that some call it "the new Dal'negorsk" ...

Tobi
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Vitaliy




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PostPosted: Dec 07, 2014 18:17    Post subject: Re: Collection of Tobi  

Thanks for answering my question Tobi. I wish I could come over to Germany and do some self-collecting myself. My favourite specimens from Germany are the radioactive and silver mineral specimens.

If you don't mind me asking do you have a special photographic environment built for photographing the specimens (ie light-box , point and shoot camera). The first pictures you posted were the specimens on a table with afternoon or noon hour sunlighting and then eventually moved to a diffused white background.

As for the Huangangliang Mine I see two similar species from Dalnegorsk specifically as Calcite ('Poker chip') and the 'ribbed' Quartz. Yaogangxian is also another possible 'Dalnegorsk' especially with very similar species and fame/notability.
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Tobi




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PostPosted: Dec 08, 2014 00:56    Post subject: Re: Collection of Tobi  

Vitaliy M. wrote:
Thanks for answering my question Tobi. I wish I could come over to Germany and do some self-collecting myself. My favourite specimens from Germany are the radioactive and silver mineral specimens.
I see we have different focuses on minerals, I never was interested in silver minerals or radioactive species. But with that focus, you should visit some museums in Saxony!!!

Vitaliy M. wrote:
If you don't mind me asking do you have a special photographic environment built for photographing the specimens (ie light-box , point and shoot camera). The first pictures you posted were the specimens on a table with afternoon or noon hour sunlighting and then eventually moved to a diffused white background.
It's more than simple: I use a white paper background and natural light from above through a rooflight. But as I said before, it really depends on each specimen whether you get a good photo or not ...

Tobi
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