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Collection of Tobi
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Tobi




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PostPosted: Sep 03, 2011 03:37    Post subject: Re: Collection of Tobias Martin  

Old specimens, better photos, fluorite # 3:


Fluorit_Elmwood.JPG
 Description:
Fluorite, sphalerite
Elmwood mine, Carthage, Central Tennessee Ba-F-Pb-Zn District, Smith Co., Tennessee, USA
100 x 65 x 55 mm
 Viewed:  26141 Time(s)

Fluorit_Elmwood.JPG


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Tobi




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PostPosted: Oct 15, 2011 08:05    Post subject: Re: Collection of Tobias Martin  

- Old specimen
- Better photos
- I trimmed the specimen and removed a lot of dispensable matrix

Schorl on Orthoclase.
Erongorus 166 Farm, Karibib District, Erongo Region, Namibia.
105 x 100 x 70 mm, largest schorl crystal 20 mm, largest orthoclase crystal 35 mm.



Schörl_ERO.JPG
 Description:
Schorl on Orthoclase.
Erongorus 166 Farm, Karibib District, Erongo Region, Namibia.
105 x 100 x 70 mm
 Viewed:  26005 Time(s)

Schörl_ERO.JPG



Schörl_ERO2.JPG
 Description:
Schorl on Orthoclase.
Erongorus 166 Farm, Karibib District, Erongo Region, Namibia.
105 x 100 x 70 mm
 Viewed:  26093 Time(s)

Schörl_ERO2.JPG


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Tobi




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PostPosted: Oct 15, 2011 08:11    Post subject: Re: Collection of Tobias Martin  

- Old specimen
- Better photos
- I trimmed the specimen and removed much of the quartz layer that covered the specimen
- Due to a wrong locality provided by the vendor and some talks to garnet experts i had to correct the locality

Grossular var. Hessonite.
Žulová, Olomouc Region, Moravia, Czech Republic.
105 x 95 x 50 mm, largest crystal 20 mm.



Hessonit_CZ.JPG
 Description:
Grossular var. Hessonite.
Žulová, Olomouc Region, Moravia, Czech Republic.
105 x 95 x 50 mm, largest crystal 20 mm.
 Viewed:  26012 Time(s)

Hessonit_CZ.JPG



Hessonit_CZ2.JPG
 Description:
Grossular var. Hessonite.
Žulová, Olomouc Region, Moravia, Czech Republic.
105 x 95 x 50 mm, largest crystal 20 mm.
 Viewed:  26034 Time(s)

Hessonit_CZ2.JPG


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GneissWare




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PostPosted: Oct 15, 2011 09:56    Post subject: Re: Collection of Tobias Martin  

Tobi,
Nice specimens, and very good job on the trimming and preparation.
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Tobi




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PostPosted: Oct 16, 2011 05:07    Post subject: Re: Collection of Tobias Martin  

Thank you. Actually i hate trimming minerals on my own because i always fear the one hit too much that tears of crystals or breaks specimens. But this time it worked, i could remove the schorl's matrix and the hessonite's quartz coating successfully :-)
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Carles Millan
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PostPosted: Oct 16, 2011 05:43    Post subject: Re: Collection of Tobias Martin  

Tobias Martin wrote:
Actually i hate trimming minerals on my own because i always fear the one hit too much that tears of crystals or breaks specimens. But this time it worked, i could remove the schorl's matrix and the hessonite's quartz coating successfully :-)

Congratulations, Tobias, but don't assume this will always be the case... Nevertheless, if you ever get wrong you must know cyanoacrylate heals almost everything, provided you don't hide that feature when labelling or publishing photos of the specimen.
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Tobi




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PostPosted: Oct 19, 2011 07:12    Post subject: Re: Collection of Tobias Martin  

Carles, i don't assume it will always be the case - so i will not often do such trimming jobs on my own.

Here's another picture from my "old specimen, better photo" mission. Sorry to do like you, Carles, but i really made some lousy photos in the past, and at least some of my better specimens deserve better ones.

Topaz. Villa Garcia, Zacatecas, Mexico. 32 x 18 x 16 mm, largest crystal 9 mm.



Topas_Mexiko.JPG
 Description:
Topaz
Villa Garcia, Zacatecas, Mexico
32 x 18 x 16 mm, largest crystal 9 mm
 Viewed:  25897 Time(s)

Topas_Mexiko.JPG


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Tobi




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PostPosted: Oct 19, 2011 07:21    Post subject: Re: Collection of Tobias Martin  

Another better photo of an old specimen (well, not really old, purchased half a year ago ;-))

Cavansite. Wagholi quarry, Pune District, Maharashtra, India. 40 x 30 x 25 mm, "cavansite ball" 10 mm in diameter.



Cavansit_Indien.JPG
 Description:
Cavansite
Wagholi quarry, Pune District, Maharashtra, India
40 x 30 x 25 mm, "cavansite ball" 10 mm in diameter
 Viewed:  25895 Time(s)

Cavansit_Indien.JPG


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Tobi




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PostPosted: Oct 19, 2011 07:31    Post subject: Re: Collection of Tobias Martin  

And another one.

Spessartine on albite. Shigar Valley, Gilgit-Baltistan, Pakistan. 27 x 18 x 13 mm, largest crystal 5 mm.



Spessartin_Pakistan.JPG
 Description:
Spessartine on albite
Shigar Valley, Gilgit-Baltistan, Pakistan
27 x 18 x 13 mm, largest crystal 5 mm.
 Viewed:  25884 Time(s)

Spessartin_Pakistan.JPG


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Carles Millan
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PostPosted: Oct 19, 2011 15:22    Post subject: Re: Collection of Tobias Martin  

Tobias Martin wrote:
Spessartine on albite. Shigar Valley, Gilgit-Baltistan, Pakistan.

Fine spessartine from the Shigar Valley!
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Tobi




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PostPosted: Oct 23, 2011 12:59    Post subject: Re: Collection of Tobias Martin  

Carles Millan wrote:
Fine spessartine from the Shigar Valley!
Thank you, Carles!

And here's another spessartine (new specimen). From Wushan Spessartine Mine, Tongbei, Fujian Province, China. 35 x 25 x 25 mm, largest garnets measure 5 mm.



IMG_5760.JPG
 Description:
Spessartine
Wushan Spessartine Mine, Tongbei, Fujian Province, China
35 x 25 x 25 mm, largest garnets measure 5 mm
 Viewed:  25727 Time(s)

IMG_5760.JPG


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PostPosted: Oct 23, 2011 15:23    Post subject: Re: Collection of Tobias Martin  

Calcite. Sarbai Mine, Kostanay Province, Kazakhstan. Specimen height 55 mm, crystal is 35 mm in diameter.


IMG_5770.JPG
 Description:
Calcite
Sarbai Mine, Kostanay Province, Kazakhstan
Specimen height 55 mm, crystal is 35 mm in diameter.
 Viewed:  25731 Time(s)

IMG_5770.JPG


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PostPosted: Oct 23, 2011 15:26    Post subject: Re: Collection of Tobias Martin  

Halite. Neuhof-Ellers Potash Works, Neuhof, Fulda, Hesse, Germany. 230 x 120 x 40 mm, largest crystals 15 mm.


IMG_5762.JPG
 Description:
Halite
Neuhof-Ellers Potash Works, Neuhof, Fulda, Hesse, Germany
230 x 120 x 40 mm, largest crystals 15 mm.
 Viewed:  25758 Time(s)

IMG_5762.JPG


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PostPosted: Oct 23, 2011 15:32    Post subject: Re: Collection of Tobias Martin  

Fluorite. Okorusu Mine, Otjiwarongo District, Otjozondjupa Region, Namibia. 110 x 75 x 60 mm, largest crystal 25 mm.


IMG_5767.JPG
 Description:
Fluorite
Okorusu Mine, Otjiwarongo District, Otjozondjupa Region, Namibia
110 x 75 x 60 mm, largest crystal 25 mm.
 Viewed:  25760 Time(s)

IMG_5767.JPG


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PostPosted: Oct 23, 2011 15:35    Post subject: Re: Collection of Tobias Martin  

Fluorite with galena. Rogerley Mine, Weardale, North Pennines, Co. Durham, England. 80 x 70 x 30 mm, largest crystal 20 mm.


IMG_5763.JPG
 Description:
Fluorite with galena
Rogerley Mine, Weardale, North Pennines, Co. Durham, England
80 x 70 x 30 mm, largest crystal 20 mm.
 Viewed:  25703 Time(s)

IMG_5763.JPG


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PostPosted: Oct 24, 2011 14:03    Post subject: Re: Collection of Tobias Martin  

Tobias Martin wrote:
And here's another spessartine (new specimen) > https://www.mineral-forum.com/message-board/viewtopic.php?p=20188#20188

Very nice your new spessartine. Good contrast with the white matrix. By the way, what is the matrix made of? I think it must be quartz but am not sure.
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PostPosted: Oct 24, 2011 14:17    Post subject: Re: Collection of Tobias Martin  

No, it is feldspar. There are very tiny quartz crystals among the spessartines, but the matrix is microcline.
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PostPosted: Oct 25, 2011 09:27    Post subject: Re: Collection of Tobias Martin  

Did i ever mention that i'm addicted to Namibian minerals? ;-)

Smoky quartz (with a growing structure nearly reminiscent of a gwindel AND with some sceptered crystals) grown on a large brownish orthoclase crystal. Lattice quartz occurrence, Karibib District, Erongo Region, Namibia. 110 x 100 x 85 mm.



hohenstein1.JPG
 Description:
Smoky quartz on orthoclase
Lattice quartz occurrence, Karibib District, Erongo Region, Namibia
110 x 100 x 85 mm
 Viewed:  25548 Time(s)

hohenstein1.JPG


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Debbie Woolf




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PostPosted: Oct 26, 2011 04:43    Post subject: Re: Collection of Tobias Martin  

Tobias Martin wrote:
Did i ever mention that i'm addicted to Namibian minerals? ;-)

I'm glad that you are as I get to see more specimens from this region via your super collection !

Although I don't think Hohenstein is correct, Hohenstein is a famous peak climb, no minerals are mined on it, it is to the right of the Hohenstein that minerals are found ... see this topic on mindat https://www.mindat.org/forum.php?read,6,178564,178984#msg-178984
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Tobi




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PostPosted: Oct 26, 2011 07:04    Post subject: Re: Collection of Tobias Martin  

Hi Debbie,

nice to please you with my specimens :-)

I know there's much confusion about the localities in the Erongo Region, but my information about this smoky quartz on orthoclase pictured above is that it comes from Farm Brabant which belongs to the Hohenstein massif. I have no reason to doubt this because i know the vendor for many years from the Marburg Mineral Show and i can trust him. It was my mistake yesterday that i only wrote Hohenstein here, sorry!

But sadly i can't edit my post with the smoky quartz anymore. Maybe one of our admins could upgrade the locality information to: Farm Brabant, Hohenstein massif, Erongo Mountains, Erongo Region, Namibia ...?

__________
Corrected
Carles M.
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