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Tobi
Joined: 07 Apr 2009
Posts: 3357
Location: Good Old Germany
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 Posted: Oct 26, 2014 07:33 Post subject: Re: Collection of Tobi |
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New galena:
| Mineral: | Galena, calcite |
| Locality: | | Naica Mine, Naica, Municipio Saucillo, Chihuahua, Mexico |  |
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| 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. |
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21099 Time(s) |
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Tobi
Joined: 07 Apr 2009
Posts: 3357
Location: Good Old Germany
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| Posted: Oct 26, 2014 08:02 Post subject: Re: Collection of Tobi |
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New fluorite:
| Mineral: | Fluorite with Calcite |
| Locality: | | Shangbao Mine, Leiyang, Hengyang Prefecture, Hunan Province, China | |
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| 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. |
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21124 Time(s) |
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Tobi
Joined: 07 Apr 2009
Posts: 3357
Location: Good Old Germany
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| Posted: Oct 26, 2014 08:37 Post subject: Re: Collection of Tobi |
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New calcite:
| Mineral: | Calcite on Sphalerite |
| Locality: | | Elmwood Mine, Carthage, Central Tennessee Ba-F-Pb-Zn District, Smith County, Tennessee, USA | |
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| 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. |
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21098 Time(s) |
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Tobi
Joined: 07 Apr 2009
Posts: 3357
Location: Good Old Germany
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| Posted: Oct 30, 2014 11:59 Post subject: Re: Collection of Tobi |
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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.
| Mineral: | Smoky quartz |
| Locality: | | Switzerland | |
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| Dimensions: | Smallest one 5, largest one 7 cm |
| Description: |
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20983 Time(s) |
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Tobi
Joined: 07 Apr 2009
Posts: 3357
Location: Good Old Germany
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| Posted: Nov 02, 2014 07:19 Post subject: Re: Collection of Tobi |
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A small bute nice calcite specimen from Saxony:
| Mineral: | Calcite on ankerite |
| Locality: | | Bösenbrunn, Oelsnitz, Vogtland, Oelsnitz, Vogtlandkreis, Saxony/Sachsen, Germany | |
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| 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. |
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20856 Time(s) |
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GneissWare
Joined: 07 Mar 2008
Posts: 1284
Location: California
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| Posted: Nov 02, 2014 08:22 Post subject: Re: Collection of Tobi |
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| Tobi wrote: | | A small but nice calcite specimen from Saxony: |
Very nice Calcite
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Jamison Brizendine
Joined: 27 Feb 2014
Posts: 128
Location: Northeast Ohio
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| Posted: Nov 14, 2014 13:29 Post subject: Re: Collection of Tobi |
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| 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
Joined: 07 Apr 2009
Posts: 3357
Location: Good Old Germany
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| Posted: Nov 15, 2014 05:04 Post subject: Re: Collection of Tobi |
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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
Joined: 07 Apr 2009
Posts: 3357
Location: Good Old Germany
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| Posted: Dec 06, 2014 10:23 Post subject: Re: Collection of Tobi |
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Spessartine from Tanzania:
| Mineral: | Spessartine |
| Locality: | | Sangulungulu Hill (Nani Hill), Naan village, Loliondo, Ngorongoro District, Arusha Region, Tanzania | |
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| 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. |
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20314 Time(s) |
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| Mineral: | Spessartine |
| Locality: | | Sangulungulu Hill (Nani Hill), Naan village, Loliondo, Ngorongoro District, Arusha Region, Tanzania | |
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| Dimensions: | Specimen size 5 cm, each crystal measures 1 cm |
| Description: |
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| Viewed: |
20330 Time(s) |
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Michael Shaw
Site Admin
Joined: 30 Apr 2008
Posts: 1573
Location: Oklahoma
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| Posted: Dec 06, 2014 10:45 Post subject: Re: Collection of Tobi |
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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
Joined: 07 Apr 2009
Posts: 3357
Location: Good Old Germany
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| Posted: Dec 06, 2014 10:56 Post subject: Re: Collection of Tobi |
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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 ...
| Mineral: | Quartz |
| Locality: | | Huanggang Mines, Hexigten Banner (Kèshíkèténg Qí), Ulanhad (Chifeng), Inner Mongolia Autonomous Region, China | |
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| Dimensions: | Specimen height 11 cm |
| Description: |
| Quartz cluster from the giant deposits of Huanggang in China, specimen height 11 cm. |
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20325 Time(s) |
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Tobi
Joined: 07 Apr 2009
Posts: 3357
Location: Good Old Germany
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| Posted: Dec 06, 2014 11:08 Post subject: Re: Collection of Tobi |
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Rhodochrosite from Peru:
(Though my forum avatar shows a nice specimen from Uchucchacua Mine, this new acquisiton is much better)
| Mineral: | Rhodochrosite |
| Locality: | | Uchucchacua Mine, Oyón Province, Lima Department, Peru | |
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| Dimensions: | Specimen height 3,5 cm, largest crystal 14 mm |
| Description: |
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20332 Time(s) |
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Tobi
Joined: 07 Apr 2009
Posts: 3357
Location: Good Old Germany
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| Posted: Dec 06, 2014 11:18 Post subject: Re: Collection of Tobi |
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Amethyst from Mexico:
| Mineral: | Amethyst |
| Locality: | | Amatitlán, Municipio Zumpango del Río, Guerrero, Mexico | |
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| Dimensions: | Specimen size 4,5 cm, largest crystal 2,5 cm |
| Description: |
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20298 Time(s) |
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Carles Millan
Site Admin
Joined: 05 May 2007
Posts: 1297
Location: Catalonia
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| Posted: Dec 06, 2014 12:34 Post subject: Re: Collection of Tobi |
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| 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
Joined: 30 Nov 2014
Posts: 52
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| Posted: Dec 06, 2014 12:45 Post subject: Re: Collection of Tobi |
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| 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
Joined: 07 Apr 2009
Posts: 3357
Location: Good Old Germany
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| Posted: Dec 06, 2014 13:39 Post subject: Re: Collection of Tobi |
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| 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: https://www.mineral-forum.com/message-board/viewtopic.php?p=4809#4809
Tobi
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Vitaliy
Joined: 30 Nov 2014
Posts: 52
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| Posted: Dec 06, 2014 19:12 Post subject: Re: Collection of Tobi |
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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
Joined: 07 Apr 2009
Posts: 3357
Location: Good Old Germany
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| Posted: Dec 07, 2014 15:28 Post subject: Re: Collection of Tobi |
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| 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
Joined: 30 Nov 2014
Posts: 52
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| Posted: Dec 07, 2014 18:17 Post subject: Re: Collection of Tobi |
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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
Joined: 07 Apr 2009
Posts: 3357
Location: Good Old Germany
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| Posted: Dec 08, 2014 00:56 Post subject: Re: Collection of Tobi |
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| 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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