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Collection of Tobi
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Tobi




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PostPosted: Nov 09, 2011 13:56    Post subject: Re: Collection of Tobias Martin  

Corundum var. Ruby.
Mysore District, Karnataka, India.
50 x 45 x 40 mm, main crystal 25 mm long.

(Photo © by vendor and previous owner Klaus Krause)



Rubin1.jpg
 Description:
Corundum var. Ruby
Mysore District, Karnataka, India
50 x 45 x 40 mm, main crystal 25 mm long
(Photo © by vendor and previous owner Klaus Krause)
 Viewed:  19384 Time(s)

Rubin1.jpg


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Tobi




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PostPosted: Nov 10, 2011 17:20    Post subject: Re: Collection of Tobias Martin  

Some more photos of the main crystal:


Rubin4.jpg
 Description:
Corundum var. Ruby.
Mysore District, Karnataka, India.
50 x 45 x 40 mm, main crystal 25 mm long.

(Photo © by vendor and previous owner Klaus Krause)
 Viewed:  19296 Time(s)

Rubin4.jpg



Rubin3.jpg
 Description:
Corundum var. Ruby.
Mysore District, Karnataka, India.
50 x 45 x 40 mm, main crystal 25 mm long.

(Photo © by vendor and previous owner Klaus Krause)
 Viewed:  19308 Time(s)

Rubin3.jpg


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Debbie Woolf




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PostPosted: Nov 10, 2011 18:35    Post subject: Re: Collection of Tobias Martin  

Very nice ... love the colour !
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Tobi




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PostPosted: Nov 13, 2011 05:49    Post subject: Re: Collection of Tobias Martin  

I'm glad you like it ... though it is not from Namibia ;-)

Speaking of colour: Though i can't mess with the many great macro photos that are posted in this forum, here's one of the very rare macros i did on my own. I thought it was worth posting because the colour is nice and the quality is quite ok.
Picture shows conichalcite from Gold Hill, Utah.



Konichalcit_Detail.JPG
 Description:
Conichalcite
Gold Hill, Utah, USA
Field of view 30 mm
 Viewed:  19202 Time(s)

Konichalcit_Detail.JPG


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Tobi




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PostPosted: Dec 25, 2011 09:05    Post subject: Re: Collection of Tobias Martin  

Calcite.
Sweetwater Mine, Missouri, USA.
200 x 120 x 25 mm, crystals 40 mm.

(Photo © by vendor and previous owner Klaus Krause)



Sweetwater002.jpg
 Description:
Calcite
Sweetwater Mine, Missouri, USA
200 x 120 x 25 mm
 Viewed:  18970 Time(s)

Sweetwater002.jpg


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Tobi




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PostPosted: Dec 29, 2011 09:18    Post subject: Re: Collection of Tobias Martin  

Novelty # 1 to my quartz collection:

Amethyst.
Priozersk, Karagandy Province, Kazakhstan.
70 x 60 x 40 mm, crystals 9 & 14 mm.



AME_Kaz1.JPG
 Description:
Amethyst
Priozersk, Karagandy Province, Kazakhstan
70 x 60 x 40 mm, crystals 9 & 14 mm
 Viewed:  18895 Time(s)

AME_Kaz1.JPG



AME_Kaz2.JPG
 Description:
Amethyst
Priozersk, Karagandy Province, Kazakhstan
70 x 60 x 40 mm, crystals 9 & 14 mm
 Viewed:  18916 Time(s)

AME_Kaz2.JPG


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Tobi




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PostPosted: Dec 29, 2011 09:33    Post subject: Re: Collection of Tobias Martin  

Novelty # 2 to my quartz collection:

Smoky Quartz (double-terminated).
Neandertal, Mettmann, North Rhine-Westphalia, Germany. (And yes, this is the Neandertal where the famous Neanderthal Man was found ...).
115 x 80 x 50 mm, crystal 22 mm.



RAUCHQ_Met1.JPG
 Description:
Smoky Quartz
Neandertal, Mettmann, North Rhine-Westphalia, Germany
115 x 80 x 50 mm, crystal 22 mm
 Viewed:  18880 Time(s)

RAUCHQ_Met1.JPG



RAUCHQ_Met2.JPG
 Description:
Smoky Quartz
Neandertal, Mettmann, North Rhine-Westphalia, Germany
115 x 80 x 50 mm, crystal 22 mm
 Viewed:  18891 Time(s)

RAUCHQ_Met2.JPG


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Andreas Gerstenberg




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PostPosted: Jan 03, 2012 08:13    Post subject: Re: Collection of Tobias Martin  

Hi,

that´s what I call a good one from Neandertal! Not seen that often, nice.

Cheers
Andreas
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Tobi




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PostPosted: Jan 03, 2012 11:02    Post subject: Re: Collection of Tobias Martin  

Hi Andreas,

i talked to the previous owner who had several of those quartzes, and he told me the same: Usually they are not as good as this specimen. But thus i could combine two advantages in this specimen: Aesthetics AND a rare locality :-) But there's an interesting history behind those quartz specimens: They were found when they built a new train station in Mettmann. (Mettmann, for all who are not from Germany, is a small city near Düsseldorf. Parts of the famous Neandertal are located in Mettmann).

Next specimen is also a smoky quartz, but - sorry Andreas - not from Germany ;-)
Smoky quartz coated with spessartine. Wushan Mine, Tongbei, Fujian Province, China. Height 60 mm, largest garnet ~ 5 mm.
(Photo © by vendor and previous owner Klaus Krause)



QUA_Wushan.jpg
 Description:
Smoky quartz, garnet var. spessartine
Wushan Mine, Fujian Province, China
Height 60 mm.
 Viewed:  18781 Time(s)

QUA_Wushan.jpg


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PostPosted: Jan 04, 2012 15:00    Post subject: Re: Collection of Tobias Martin  

Large quartz crystal with clear top. Features some pale green fluorites.
Farm Erongorus 166, Erongo Region, Namibia.
Lenght 150 mm.



Quarz166.JPG
 Description:
Quartz
Farm Erongorus 166, Erongo Region, Namibia
Lenght 150 mm
 Viewed:  18701 Time(s)

Quarz166.JPG


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PostPosted: Jan 04, 2012 15:04    Post subject: Re: Collection of Tobias Martin  

Beryl var. aquamarine.
Gilgit-Baltistan (former Northern Areas), Pakistan.
Height 32 mm.

(Photo © by Klaus Krause)



g101_1.jpg
 Description:
Beryl var. aquamarine
Gilgit-Baltistan (former Northern Areas), Pakistan
Height 32 mm
 Viewed:  18683 Time(s)

g101_1.jpg


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chris
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PostPosted: Jan 04, 2012 15:31    Post subject: Re: Collection of Tobias Martin  

Hi Tobias,

Great specimen from Neandertal. Was it found at the very same place (a quarry if my memory is correct) or someplace else inside the locality range ?

Thanks
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Tobi




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PostPosted: Jan 04, 2012 17:02    Post subject: Re: Collection of Tobias Martin  

Hey Chris, please read my explanation above: It was found when they were building a new train station in the city of Mettmann.
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Andreas Gerstenberg




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PostPosted: Jan 13, 2012 08:43    Post subject: Re: Collection of Tobias Martin  

Hi,

well, the circumstances of the find i never heard of. Hence thanks for mentioning it;-) Do you know when exactly these quartzes have been found?

Cheers
Andreas (whose own Neanderthal quartz measures 4 mm only...)
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Tobi




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PostPosted: Jan 14, 2012 05:50    Post subject: Re: Collection of Tobias Martin  

I was told they were found in the early 1980s. I don't remember the exact year, but i think the vendor mentioned 1982. If so, the smoky quartz was discovered the same year that i was born ... but nevertheless i suppose it is slightly older than me ;-)

Quote:

Cheers
Andreas (whose own Neanderthal quartz measures 4 mm only...)


... why do i imagine you getting a junk mail asking if you want to enlarge your smoky quartz ... ;-)
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Andreas Gerstenberg




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PostPosted: Jan 16, 2012 06:20    Post subject: Re: Collection of Tobias Martin  

Yeah, 30 cm;-) I looked it up, other pieces have been found in some roadcuts in the Neandertal area.
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PostPosted: Jan 16, 2012 13:36    Post subject: Re: Collection of Tobias Martin  

I contacted the vendor for further info and i have to correct my last post:

The find where my specimen is from was from 1992. And yes, the smoky quartzes were found in a roadcut at the Mettmann train station. During the works some rock formations were exposed which included the smoky quartz crystals. Only a few extracted mineral specimens from that find feature larger crystals on matrix, and most of the crystals were smaller than 1 cm.

Andreas, if you are interested, just contact vendor D. A. Michel via info[at]michel-mineralien[.]de - he told me that he still keeps 50 matrix specimens and 100 single crystals ...
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PostPosted: Jan 17, 2012 05:26    Post subject: Re: Collection of Tobias Martin  

Thanks, I think I know this guy...
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Tobi




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PostPosted: Jan 30, 2012 06:47    Post subject: Re: Collection of Tobias Martin  

Some additional pictures of the large Sweetwater specimen posted above (http://www.mineral-forum.com/message-board/files/sweetwater002_796.jpg)


SWEET_front.JPG
 Description:
Calcite
Sweetwater Mine, Missouri, USA
200 x 120 x 25 mm
Front view of the large plate covered with calcite crystals up to 40 mm
 Viewed:  17916 Time(s)

SWEET_front.JPG



SWEET_back.JPG
 Description:
Calcite
Sweetwater Mine, Missouri, USA
200 x 120 x 25 mm
You can see that the backside consists of white dolomite and is covered with crystals of galena and chalcopyrite
 Viewed:  17946 Time(s)

SWEET_back.JPG



SWEET_det1.JPG
 Description:
Calcite
Sweetwater Mine, Missouri, USA
FOV 40 mm
A closer shot of the backside: white dolomite layer with many small sulfide crystals (grey = galena, golden = chalcopyrite)
 Viewed:  17972 Time(s)

SWEET_det1.JPG



SWEET_det2.JPG
 Description:
Calcite
Sweetwater Mine, Missouri, USA
FOV 40 mm
Another closer shot of the area
 Viewed:  17936 Time(s)

SWEET_det2.JPG


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Tobi




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PostPosted: Jan 30, 2012 07:31    Post subject: Re: Collection of Tobias Martin  

Old specimen, better photos. A calcite from Kazakhstan purchased some time ago and honored only with a lousy picture:


SARB2.JPG
 Description:
Calcite
Sarbai Mine, Kostanay Province, Kazakhstan
Specimen height 55 mm, crystal is 35 mm in diameter
 Viewed:  17900 Time(s)

SARB2.JPG



SARB1.JPG
 Description:
Calcite
Sarbai Mine, Kostanay Province, Kazakhstan
Specimen height 55 mm, crystal is 35 mm in diameter
 Viewed:  17916 Time(s)

SARB1.JPG


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