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07 Apr-15:21:59 Re: collection of sante celiberti - a mineralogical trip through italy (Sante Celiberti)
07 Apr-15:05:30 Re: fluorites from china (Tobi)
07 Apr-14:56:59 Re: scheelite from china (Tobi)
07 Apr-14:00:02 Stay at home - coronavirus / covid-19 - thanks health heroes (Jordi Fabre)
07 Apr-13:36:14 Re: scheelite from china (Bob Kerr)
07 Apr-12:33:46 Re: don lum collection (Don Lum)
07 Apr-12:31:12 Re: stay at home - coronavirus / covid-19 (Dany Mabillard)
07 Apr-12:26:52 Re: scheelite from china (Philippe Durand)
07 Apr-12:18:50 Fluorites from china (Roy Ten Hoopen)
07 Apr-12:08:58 Re: favourite rhodochrosites? (Am Mizunaka)
07 Apr-12:05:19 Re: stay at home - coronavirus / covid-19 (Philippe Durand)
07 Apr-11:54:38 Scheelite from china (Roy Ten Hoopen)
07 Apr-10:24:14 Re: stay at home - coronavirus / covid-19 (Rweaver)
07 Apr-10:13:45 Re: stay at home - coronavirus / covid-19 (Michael Shaw)
07 Apr-02:35:23 Re: collection of volkmar stingl (Volkmar Stingl)
07 Apr-01:29:37 Re: stay at home - coronavirus / covid-19 (Tobi)
07 Apr-01:16:25 Re: favourite rhodochrosites? (Tobi)
06 Apr-17:12:51 Re: collection of sante celiberti - a mineralogical trip through italy (Sante Celiberti)
06 Apr-16:55:03 Re: favourite rhodochrosites? (Am Mizunaka)
06 Apr-16:27:21 Re: what did goethe collect? (Bob Carnein)
06 Apr-15:35:06 Re: favourite rhodochrosites? (David)
06 Apr-15:32:33 Re: favourite rhodochrosites? (David)
06 Apr-14:10:01 Stay at home - coronavirus / covid-19 - patience (Jordi Fabre)
06 Apr-13:46:13 Re: favourite rhodochrosites? (Don Lum)
06 Apr-13:41:54 Re: what did goethe collect? (Gerhard Brandstetter)

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Collection of Tobi
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Tobi




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PostPosted: Sep 13, 2015 02:04    Post subject: Re: Collection of Tobi  

Andreas Gerstenberg wrote:
The fluorite looks like a Royeswiese mine specimen;-)
Danke, Andreas :-)
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Tobi




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PostPosted: Oct 13, 2015 09:44    Post subject: Re: Collection of Tobi  

Galena from China:


RuchBLEI.JPG
 Mineral: Galena, sphalerite, quartz
 Locality:
Rucheng Mine, Caojia, Nuanshui, Rucheng, Chenzhou Prefecture, Hunan Province, China
 Dimensions: 10 cm
 Description:
Well defined galena crystals up to 14 mm together with reddish-brown sphalerite crystals up to 20 mm, tiny bright red sphalerites (2-3 mm, another generation?) and white quartz. From Rucheng Mine, China, specimen size 10 cm.
 Viewed:  15716 Time(s)

RuchBLEI.JPG


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Tobi




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PostPosted: Oct 13, 2015 10:15    Post subject: Re: Collection of Tobi  

Galena from Russia:


DalNeBLEI.JPG
 Mineral: Galena
 Locality:
Dalnegorsk, Kavalerovo Mining District, Primorskiy Kray, Far-Eastern Region, Russia
 Dimensions: Largest galena 2,5 cm, specimen size 7 cm
 Description:
Cluster of massive galena crystals up to 25 mm from Dal'negorsk in Russia, specimen size 7 cm.
 Viewed:  15645 Time(s)

DalNeBLEI.JPG


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Carles Millan
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PostPosted: Oct 13, 2015 10:17    Post subject: Re: Collection of Tobi  

Tobi wrote:
Galena from China:

Nice and aesthetic specimen. Good color contrast, and a balanced distribution of galena crystals with well defined edges.

(I was talking about RuchBLEI.JPG -> https://www.mineral-forum.com/message-board/download.php?id=61454 )
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Tobi




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PostPosted: Oct 13, 2015 10:41    Post subject: Re: Collection of Tobi  

Carles Millan wrote:
Tobi wrote:
Galena from China:
Nice and aesthetic specimen. Good color contrast, and a balanced distribution of galena crystals with well defined edges. (I was talking about RuchBLEI.JPG)

Thanks Carles, the specimen really features a nice combination of two sulfide minerals, both in really good condition. And the specimen is actually even better and has a better contrast, but it was a struggle to capture both the matt-finished galenas and the high-gloss sphalerites on a photo ... and there are also tiny, sparkling red sphalerites on the specimen, unfortunately the photo didn't capture them :-(

I made an interesting discovery concerning the two sulfides on the specimen, a special topic will follow later ...

Here's another new specimen, calcite on dioptase from Tsumeb:



TsumDIOP.JPG
 Mineral: Calcite on dioptase
 Locality:
Tsumeb Mine, Tsumeb, Otjikoto Region, Namibia
 Dimensions: Specimen height 2,5 cm, large calcite 1 cm
 Description:
Small calcite rhombohedrons on a bed of vivid green dioptase. From Tsumeb in Namibia, specimen height 2,5 cm.
 Viewed:  15659 Time(s)

TsumDIOP.JPG


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Tobi




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PostPosted: Oct 13, 2015 14:31    Post subject: Re: Collection of Tobi  

Quartz with sulfides from Romania:


CavnQ.JPG
 Mineral: Quartz, Sphalerite, Chalcopyirte
 Locality:
Cavnic mining area, Cavnic, Maramures, Romania
 Dimensions: Specimen height size 9 cm, longest quartz 7 cm
 Description:
Milky quartz crystals up to 7 cm associated with black sphalerite and some tiny chalcopyrites. From Cavnic in Romania, specimen size 9 cm.
 Viewed:  15586 Time(s)

CavnQ.JPG


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Tobi




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PostPosted: Oct 25, 2015 07:28    Post subject: Re: Collection of Tobi  

Smoky quartz on matrix from Switzerland:


ValSMOKY.JPG
 Mineral: Smoky quartz
 Locality:
Val Valley, Tujetsch (Tavetsch), Vorderrhein Valley, Grischun (Grisons; Graubünden), Switzerland
 Dimensions: Specimen size 13 cm, largest crystal 3 cm
 Description:
 Viewed:  15411 Time(s)

ValSMOKY.JPG


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Tobi




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PostPosted: Oct 25, 2015 07:39    Post subject: Re: Collection of Tobi  

"Honey spar" fluorite from Bavaria:


HonigspatX.JPG
 Mineral: Fluorite
 Locality:
Johannesschacht Mine, Wölsendorf, Schwarzach bei Nabburg, Wölsendorf West District, Upper Palatinate/Oberpfalz, Bavaria/Bayern, Germany
 Dimensions: Specimen size 10 cm, largest crystal 2 cm
 Description:
 Viewed:  15417 Time(s)

HonigspatX.JPG


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Tobi




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PostPosted: Oct 25, 2015 08:03    Post subject: Re: Collection of Tobi  

This new specimen will be a highlight in my quartz collection. A 10 cm damage-free, water-clear smoky quartz crystal from Galenstock/Switzerland:


GaleSMO.JPG
 Mineral: Quartz (variety smoky)
 Locality:
Galenstock Mountain, Tiefenbach, Urseren, Uri, Switzerland
 Dimensions: Crystal height 10 cm
 Description:
 Viewed:  15365 Time(s)

GaleSMO.JPG


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Carles Millan
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PostPosted: Oct 25, 2015 13:12    Post subject: Re: Collection of Tobi  

Very nice and aesthetic, both Swiss smoky quartz specimens. These kind of pieces are very much appreciated by the collectors of alpine minerals.
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Tobi




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PostPosted: Oct 26, 2015 01:41    Post subject: Re: Collection of Tobi  

Carles Millan wrote:
Very nice and aesthetic, both Swiss smoky quartz specimens. These kind of pieces are very much appreciated by the collectors of alpine minerals.
Thanks, you're right, Carles: I own several alpine smoky quartzes like

https://www.mindat.org/photo-468465.html
https://www.mindat.org/photo-643016.html
https://www.mindat.org/photo-643015.html
https://www.mindat.org/photo-635874.html
or
https://www.mindat.org/photo-566575.html

but these two new specimens are among the best I've ever had, especially the large 10 cm single crystal from Galenstock - I really like that alpine "gem" :-)

Tobi
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Tobi




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PostPosted: Nov 22, 2015 08:15    Post subject: Re: Collection of Tobi  

Blue fluorite on quartz from Inner Mongolia:


HuangFLUO.JPG
 Mineral: Fluorite, Quartz
 Locality:
Huanggang Mines, Hexigten Banner (Kèshíkèténg Qí), Ulanhad (Chifeng), Inner Mongolia Autonomous Region, China
 Dimensions: Specimen height 5 cm
 Description:
 Viewed:  14903 Time(s)

HuangFLUO.JPG


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PostPosted: Nov 22, 2015 08:34    Post subject: Re: Collection of Tobi  

Green fluorite on quartz from South Africa:


RiemvFLUO.JPG
 Mineral: Fluorite, Quartz
 Locality:
Riemvasmaak, Orange river area, Kakamas, ZF Mgcawu District, Northern Cape Province, South Africa
 Dimensions: Specimen size 6,5 cm
 Description:
 Viewed:  14881 Time(s)

RiemvFLUO.JPG


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Tobi




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PostPosted: Jan 30, 2016 09:25    Post subject: Re: Collection of Tobi  

Galena from Siegerland:


PfannenbGAL.JPG
 Mineral: Galena, chalcopyrite
 Locality:
Pfannenberger Einigkeit Mine, Salchendorf, Neunkirchen, Siegen-Wittgenstein District, Arnsberg, North Rhine-Westphalia/Nordrhein-Westfalen, Germany
 Dimensions: Specimen size 10 cm, largest galena 2 cm
 Description:
 Viewed:  14291 Time(s)

PfannenbGAL.JPG


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PostPosted: Jan 30, 2016 10:00    Post subject: Re: Collection of Tobi  

Aquamarine from Brazil:


BrumadBER.JPG
 Mineral: Aquamarine, quartz
 Locality:
Pedra Preta pit, Serra das Éguas, Brumado, Bahia, Northeast Region, Brazil
 Dimensions: Spezimen size 8,5 cm, aquamarine 8 cm
 Description:
 Viewed:  14265 Time(s)

BrumadBER.JPG


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Tobi




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PostPosted: Jan 30, 2016 10:20    Post subject: Re: Collection of Tobi  

Another specimen from Minas Gerais, schorl on quartz:

(The label of the former owner says "Mina Le Pinto, Minas Gerais, Brazil" but I can't find any information on this, no Mindat entry exists. Anyone ever heard of this mine?)

Thanks!



PintoQuarT.JPG
 Mineral: Schorl, quartz
 Locality:
Minas Gerais, Brazil
 Dimensions: Spezimen height 8,5 cm
 Description:
 Viewed:  14256 Time(s)

PintoQuarT.JPG


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Tobi




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PostPosted: Jan 30, 2016 10:29    Post subject: Re: Collection of Tobi  

Calcite from Russia:


DalnCAL.JPG
 Mineral: Calcite
 Locality:
Verkhnii Mine, Dalnegorsk, Kavalerovo Mining District, Primorskiy Kray, Far-Eastern Region, Russia
 Dimensions: Specimen height 7,5 cm
 Description:
 Viewed:  14244 Time(s)

DalnCAL.JPG


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Carles Millan
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PostPosted: Jan 30, 2016 16:37    Post subject: Re: Collection of Tobi  

Tobi wrote:
Another specimen from Minas Gerais, schorl on quartz:

Aesthetic specimen. Nice color contrast. I guess it's better in person and am sure you might improve that photo (with a bit of patience, of course). I know how difficult is sometimes to shoot these transparent colorless quartz crystals.
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PostPosted: Jan 30, 2016 16:42    Post subject: Re: Collection of Tobi  

Tobi wrote:
(The label of the former owner says "Mina Le Pinto, Minas Gerais, Brazil" but I can't find any information on this, no Mindat entry exists. Anyone ever heard of this mine?)
Thanks!


Here are two references to Prospección Ze Pinto in Aldeia, Conselheiro Pena, Doce Valley, Minas Gerais:

https://www.mineralogia.es/index.php?idioma=ENG&level=picture&id=76761

https://fotominer.blogspot.com.es/2014/01/proximas-aportaciones-en-fotominer_3064.html
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PostPosted: Jan 30, 2016 16:50    Post subject: Re: Collection of Tobi  

Have you tried a darker background for your beautiful Dalnegorsk calcite?
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