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Collection of Tobi
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Tobi




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PostPosted: Apr 13, 2021 03:44    Post subject: Re: Collection of Tobi  

jose luis jara jara wrote:
Tobi wrote:
The newest addition means really something special to me. Since my interest in minerals began as a child (30 years ago) and I read some mineral books for the first time, I dreamed of once having an Australian precious opal. This was maybe my first mineral desire, long before I even developed knowledge and preferences for that hobby; it was rather love at first sight ;-) I think many people feel some "magic" when they first see the surreal colour play of a good opal; and back in the early 90s, 8 or 9 year old Tobi was mesmerized by those "magical" rocks from the Australian outback. Knowing that good specimens from Australia are quite expensive, I never really expected to find a nice and larger specimen for me, but now I could finally fulfill that desire I had for 30 years and I'm really really happy to add that beautiful specimen to my collection:
What a beautiful opal, is the black opal variety?
Hi Jose, no, the so-called black opal is one with a darker base colour (mostly deep blue), this one here is what is called boulder opal, the typical variety with a brighter base colour (grey to pale blue) and grown in brown matrix. I'm glad you like it :-)

Carles Millan wrote:
Tobi wrote:
Common stuff, but a quite large and impressive specimen:
An uncommon association with a very nice color contrast. Good choice!
Hi Carles, thank you. Not really uncommon, the deposits in Rio Grande do Sul (e.g. Ametista do Sul or Iraí) produce masses of calcite/amethyst specimens. But nonetheless some of them are really good material and I like this one for its size and shape with that large calcite cluster on top :-)

The next specimen is a true highlight for me, a large and awesome combination of fluorite and calcite from China:



HunaFLUO.jpg
 Mineral: Fluorite, Calcite
 Locality:
Xianghualing Mine, Xianghualing Sn-polymetallic ore field, Linwu, Chenzhou Prefecture, Hunan Province, China
 Dimensions: Specimen height 18 cm, largest fluorite 3,5 cm, largest calcite 5 cm
 Description:
Photo © Saphira Minerals
 Viewed:  1305 Time(s)

HunaFLUO.jpg


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Tobi




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PostPosted: Apr 25, 2021 07:55    Post subject: Re: Collection of Tobi  

An older specimen that I improved by trimming some matrix. Actually something I don't do that often because of the risk to damage a specimen, but that matrix here was quite easy to work with. I hope the result is ok.


AfghLASU2.JPG
 Mineral: Lazurite
 Locality:
Ladjuar Medam, Sar-e Sang, Koksha Valley, Khash & Kuran Wa Munjan Districts, Badakhshan Province, Afghanistan
 Dimensions: Specimen size 7 cm
 Description:
 Viewed:  1170 Time(s)

AfghLASU2.JPG


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Tobi




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PostPosted: May 29, 2021 12:58    Post subject: Re: Collection of Tobi  

The latest collection addition, a beautiful Brazilian tourmaline:


BarraELB.jpg
 Mineral: Elbaite
 Locality:
Barra de Salinas, Coronel Murta, Jequitinhonha, Minas Gerais, Brazil
 Dimensions: Crystal height 4 cm
 Description:
Photo © Anton Watzl Minerals
 Viewed:  987 Time(s)

BarraELB.jpg


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Carles Millan
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PostPosted: May 29, 2021 14:41    Post subject: Re: Collection of Tobi  

Tobi wrote:
The latest collection addition, a beautiful Brazilian tourmaline:

A really nice Brazilian tourmaline. The green color is wonderful. And the faces at the top are perfect and very attractive. Good acquisition.
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Jean Suffert




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PostPosted: May 29, 2021 14:51    Post subject: Re: Collection of Tobi  

a beautiful well terminated elbaite, I love the colour. Congratulations Tobi
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Sante Celiberti




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PostPosted: May 29, 2021 15:18    Post subject: Re: Collection of Tobi  

I fully agree with Carles and Jean.
Congratulations, Tobi.
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Tobi




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PostPosted: May 30, 2021 02:24    Post subject: Re: Collection of Tobi  

Thank you all for your comments, my friends, I'm glad you like that little gem as much as I do!

Stay safe & best regards
Tobi
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Tobi




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PostPosted: Jul 17, 2021 10:17    Post subject: Re: Collection of Tobi  

A cute new quartz specimen from the U.S:


NYherkQUA.JPG
 Mineral: Quartz
 Locality:
Ace of Diamonds Mine, Middleville, Town of Newport, Herkimer County, New York, USA
 Dimensions: Specimen height 6 cm, quartz crystals 17 mm & 11 mm
 Description:
 Viewed:  437 Time(s)

NYherkQUA.JPG


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Volkmar Stingl




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PostPosted: Jul 17, 2021 11:15    Post subject: Re: Collection of Tobi  

Hello Tobi, a very nice piece! Do the crystals have small bitumen inclusions, or is this just the base, seen through the clear quartz?

Volkmar
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Tobi




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PostPosted: Jul 17, 2021 12:07    Post subject: Re: Collection of Tobi  

Volkmar Stingl wrote:
Hello Tobi, a very nice piece! Do the crystals have small bitumen inclusions, or is this just the base, seen through the clear quartz? Volkmar
Hi Volkmar, it's the base on the matrix, seen through the clear crystals. I'm glad you like it, here's another new specimen, classic fluorite from Germany:


ClaraFLUO3.JPG
 Mineral: Fluorite
 Locality:
Clara Mine, Rankach Valley, Oberwolfach, Wolfach, Black Forest, Baden-Württemberg, Germany
 Dimensions: Specimen size 15 x 15 cm, largest crystals 16-18 mm
 Description:
The crystals have a pale blueish hue and some of them have purple colour zones
 Viewed:  403 Time(s)

ClaraFLUO3.JPG


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Tobi




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PostPosted: Jul 17, 2021 13:46    Post subject: Re: Collection of Tobi  

Another classic fluorite that was recently added (the water-clear Dalnegorsk fluorite cubes are so hard to capture on a photo, I hope I did it quite well):


DalnFLUO.JPG
 Mineral: Fluorite
 Locality:
Nikolaevski Mine, Dalnegorsk, Dalnegorsk Urban District, Primorsky Krai, Far-Eastern Region, Russia
 Dimensions: Specimen size 9 x 8 cm, largest crystal 2 cm
 Description:
 Viewed:  383 Time(s)

DalnFLUO.JPG


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Carles Millan
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PostPosted: Jul 17, 2021 14:53    Post subject: Re: Collection of Tobi  

Tobi wrote:
A cute new quartz specimen from the U.S:

A Herkimer County quartz on matrix! Hard to find, and very nice. Great color contrast. I like it.
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Carles Millan
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PostPosted: Jul 17, 2021 15:04    Post subject: Re: Collection of Tobi  

Tobi wrote:
Another classic fluorite that was recently added (the water-clear Dalnegorsk fluorite cubes are so hard to capture on a photo, I hope I did it quite well):

Your love for fluorites is evident. That stuff is very difficult to photograph, I do know. It is not the fault of the fluorite, but its transparency and lack of color.
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Tobi




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PostPosted: Jul 19, 2021 05:10    Post subject: Re: Collection of Tobi  

Carles Millan wrote:
Your love for fluorites is evident. That stuff is very difficult to photograph, I do know. It is not the fault of the fluorite, but its transparency and lack of color.
Nonetheless I'm satisfied with the photo above, I think it's ok for a photography amateur shooting a Dalnegorsk "aquarium".
Carles Millan wrote:
A Herkimer County quartz on matrix! Hard to find, and very nice. Great color contrast. I like it.
Thanks Carles! I'm not a fan of herkimer single crystals but I was amazed by the beauty of that matrix specimen. It's a small and minor specimen, just a herkimer quartz with two small crystals, but it's flawless and has nearly sculptural aesthetics with that two clear quartzes in the vug, that's why I chose it as an addition to my quartz collection.

Best regards
Tobi
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