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09 Apr-05:01:03 Collection of carles millan - fluorapatite from kami mine (Carles Millan)
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Collection of Tobi
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Tobi
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PostPosted: Sep 16, 2023 06:09    Post subject: Re: Collection of Tobi  

A new galena for my collection, a special one:

This will be my last specimen that I get from Jordi. I was really sad to hear that he quits his business, but also happy to discover this wonderful Romanian galena specimen in his shop. This beautiful piece with its large and well-defined crystals is a very welcome addition to my collection since galena is one of my all-time favourite minerals and this is a beautiful and impressive specimen from the prolific ore deposit of Herja/Romania.

The fact that this will be my last one from Fabre Minerals makes it even more precious for me. It's my 9th and final specimen from our Master Jordi and I cherish them all. Jordi, we will for sure still meet here on FMF, but I have to say farewell to you as a dealer that helped me enhance my collection during the last two years. This galena is really worthy of that farewell.

Thank you, Jordi and all the best for you!



HerjGALE.jpg
 Mineral: Galena, Quartz
 Locality:
Herja Mine, Chiuzbaia, Baia Sprie, Maramures, Romania
 Dimensions: Specimen size 14 cm, largest galena ~5 cm
 Description:
Photo © Fabre Minerals
 Viewed:  5299 Time(s)

HerjGALE.jpg


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Jordi Fabre
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PostPosted: Sep 16, 2023 06:15    Post subject: Re: Collection of Tobi  

😍
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Tobi
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PostPosted: Sep 27, 2023 12:02    Post subject: Re: Collection of Tobi  

Additional photo of the Romanian galena. I like this perspective more and this is the position that the specimen has in my showcase.


HerjGALE.JPG
 Mineral: Galena, Quartz
 Locality:
Herja Mine, Chiuzbaia, Baia Sprie, Maramures, Romania
 Dimensions: Specimen size 15 cm, largest crystal 4,5 cm
 Description:
 Viewed:  5097 Time(s)

HerjGALE.JPG



IMG-20230927-WA0022.jpg
 Mineral: _Pen on paper ;-)
 Locality:
Barcelona, Catalonia / Catalunya, Spain
 Description:
The usual personal note from our Master. The last one :-(
Thank you again, Jordi!
 Viewed:  5103 Time(s)

IMG-20230927-WA0022.jpg


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Tobi
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PostPosted: Nov 02, 2023 09:53    Post subject: Re: Collection of Tobi  

I finally found a mango quartz for my collection:


CabiQUAR1.jpg
 Mineral: Quartz, Halloysite
 Locality:
Cabiche, Quípama, Boyacá Department, Colombia
 Dimensions: Specimen height 7,5 cm
 Description:
An aesthetic quartz cluster from the unique Cabiche finds with a 7,5 cm main crystal.
Photo © mineralien.de / Christian Weise Verlag
 Viewed:  4581 Time(s)

CabiQUAR1.jpg



CabiQUAR2.jpg
 Mineral: Quartz, Halloysite
 Locality:
Cabiche, Quípama, Boyacá Department, Colombia
 Dimensions: Specimen height 7,5 cm
 Description:
The halloysite inclusions are very intense and highly visible in this piece.
Photo © mineralien.de / Christian Weise Verlag
 Viewed:  4594 Time(s)

CabiQUAR2.jpg


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Carles Millan
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PostPosted: Nov 02, 2023 10:10    Post subject: Re: Collection of Tobi  

Very elegant specimen.
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Tobi
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PostPosted: Nov 03, 2023 05:02    Post subject: Re: Collection of Tobi  

Thank you, Carles, I'm glad that I found a nice sample of these unique quartzes for my collection.
Here's another new addition, a nice fluorite specimen from Naica:



NaicFLUO.jpg
 Mineral: Fluorite, Sphalerite
 Locality:
Naica Mine, Naica, Municipio Saucillo, Chihuahua, Mexico
 Dimensions: Specimen height 8 cm
 Description:
Photo © Saphira Minerals
 Viewed:  4469 Time(s)

NaicFLUO.jpg


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Tobi
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PostPosted: Nov 19, 2023 09:05    Post subject: Re: Collection of Tobi (additional photo)  

Tobi wrote:
Here's another new addition, a nice fluorite specimen from Naica:
I got that piece from Rudi Watzl but I found out that another Austrian dealer once had it in his stock, so there's another photo of this piece. And not just another one but a perfect addition to the photo above made by Saphira Minerals: Depending on the light, the fluorites appear sometimes pale lilac or pale green. The photo above shows the lilac while the other photo I found perfectly presents the greenish hue of the fluorite:


NaicaFLUO2.jpg
 Mineral: Fluorite, Sphalerite
 Locality:
Naica Mine, Naica, Municipio Saucillo, Chihuahua, Mexico
 Dimensions: Specimen height 8 cm
 Description:
Photo © Martin Gruell / viaMineralia
 Viewed:  4170 Time(s)

NaicaFLUO2.jpg


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James Catmur
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PostPosted: Nov 19, 2023 09:32    Post subject: Re: Collection of Tobi  

It is interesting as one finds photos of specimens one owns over the years. From that you can learn more about their history. I recently found one from a dealer who sold to the collector who sold it to another dealer who sold it to me!
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PostPosted: Nov 24, 2023 11:18    Post subject: Re: Collection of Tobi  

A Bulgarian landscape of different sulfide minerals:

The piece is really hard to capture on a photo because the different lustrous surfaces of the galena, the pyrite and the nearly black sphalerite are a challenge for every ordinary camera. My own photos were bad so I take the one from the dealer. But even that photo does not do the specimen justice. There's no damage, only some weird growth structures/patterns that are typical for Madan. The matrix with some tiny quartzes is overgrown by dark sphalerite and on top of it, small pyrites and galenas up to 2 cm have crystallized.

The galena is so shiny that you could use it as a mirror. I think not many localities produce that mineral in so highly lustrous crystals. I've heard this is due to the amount of silver that is included in many galenas from Madan, can anyone confirm that?

However, that great luster makes the piece hard to photograph, but easy to enjoy :-)



MadaGALE01.jpg
 Mineral: Galena, Pyrite, Sphalerite, Quartz
 Locality:
Madan mining area, Rhodope Mountains, Smolyan Oblast, Bulgaria
 Dimensions: Specimen size 19 x 12 x 7 cm, largest galena crystals ~ 2 cm
 Description:
Photo © Günther Gerndt / Matrix Minerals
 Viewed:  3952 Time(s)

MadaGALE01.jpg


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Carles Millan
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PostPosted: Nov 24, 2023 11:54    Post subject: Re: Collection of Tobi  

Tobi wrote:
Here's another new addition, a nice fluorite specimen from Naica:

About that extraordinary fluorite and its interesting crystallography, I guess the upper crystal is a combination of rombododecahedron {110} and cube {100}, so the entire crystal must have 18 faces. But the one on the left looks like a simple cube to me. Am I right?
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Philippe Durand




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PostPosted: Nov 24, 2023 13:35    Post subject: Re: Collection of Tobi  

that is a great galena specimen
love it

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Volkmar Stingl




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PostPosted: Nov 24, 2023 23:27    Post subject: Re: Collection of Tobi  

Hi Tobi,

I love those galenas with their shiny faces from Madan! Excellent!

Volkmar
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Tobi
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PostPosted: Nov 25, 2023 04:56    Post subject: Re: Collection of Tobi  

Thank you, Philippe and Volkmar, I love that galena piece too and I consider it one of my best pieces of this wonderful mineral.

Carles Millan wrote:
Tobi wrote:
Here's another new addition, a nice fluorite specimen from Naica:
About that extraordinary fluorite and its interesting crystallography, I guess the upper crystal is a combination of rhombododecahedron {110} and cube {100}, so the entire crystal must have 18 faces. But the one on the left looks like a simple cube to me. Am I right?

Hi Carles, there's no cube, they all have the same modfied cuboctahedral (?) habit, or, like you said, combination of rhombododecahedron {110} and cube {100}? Don't know, I'm not good at crystallography. And yes, 18 faces.
Maybe the video from Saphira Minerals will help to understand the form:
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PostPosted: Nov 25, 2023 06:52    Post subject: Re: Collection of Tobi  

Sorry Tobi, I already watched the video, but this is a bit confusing to me. It's like a 90º angle.
In any case, it's an excellent specimen of fluorite.



TobiFluorite.jpg
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TobiFluorite.jpg


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Tobi
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PostPosted: Nov 25, 2023 09:52    Post subject: Re: Collection of Tobi  

Carles Millan wrote:
Sorry Tobi, I already watched the video, but this is a bit confusing to me. It's like a 90º angle.
Some of the angles you marked red are indeed 90°. On this photo I marked some faces yellow, all of them are rectangular and thus each angle inside is 90°. You can only see three rectangular faces marked yellow but each of them has an identical counterpart on the opposite side. 6 of these rectangular faces on each crystal which suggests that a simple cube is part of the crystal form ...

Unfortunately, I'm the wrong person to talk in detail about Miller indices and crystallography, sorry :-(

Carles Millan wrote:
In any case, it's an excellent specimen of fluorite.
But I'm glad that you like the aesthetics of the piece. When it matches your personal taste, dear Carles, I know it's a very good specimen!

Best regards
Tobi



naicfluo_angle90.jpg
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naicfluo_angle90.jpg


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Carles Millan
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PostPosted: Nov 25, 2023 13:54    Post subject: Re: Collection of Tobi  

Excuse me please, I will have to check the prescription of my glasses.
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Volkmar Stingl




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PostPosted: Nov 26, 2023 00:12    Post subject: Re: Collection of Tobi  

Tobi wrote:

Hi Carles, there's no cube, they all have the same modfied cuboctahedral (?) habit, or, like you said, combination of rhombododecahedron {110} and cube {100}? Don't know, I'm not good at crystallography. And yes, 18 faces.


As far as I learned here in this forum for one of my Chinese pieces, these faces are related to a combination of cube and dodecahedron (because of the six-sided faces, as far as I remember). So, it would be a cubododecahedron.

Volkmar
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Carles Millan
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PostPosted: Nov 26, 2023 04:19    Post subject: Re: Collection of Tobi  

Volkmar Stingl wrote:
As far as I learned here in this forum for one of my Chinese pieces, these faces are related to a combination of cube and dodecahedron (because of the six-sided faces, as far as I remember). So, it would be a cubododecahedron. Volkmar

And I fully agree.
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Tobi
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PostPosted: Mar 29, 2024 08:09    Post subject: Re: Collection of Tobi  

My first specimen 2024, it was love at first sight:

After not finding something new for my collection for a while, one of my favourite dealers released a new update yesterday. And while scrolling through it, I immediately fell in love with this wonderful fluorite specimen from Yaogangxian. A good fluorite from that legendary locality was on my list for long, but the specimens I found were just not that good or insanely expensive (or both). Though this is a smaller piece, it has everything I desire in a Yaogangxian fluorite: Very well-developed crystals, lustrous and transparent and of good purple colour on a contrasting matrix.

So it was good that I had to wait a while for the next specimen - this fluorite was worth the wait :-)




YaogFLUO.jpg
 Mineral: Fluorite, Chlorite Group
 Locality:
Yaogangxian Mine, Yizhang, Chenzhou Prefecture, Hunan Province, China
 Dimensions: Specimen size 5 cm, larger fluorite 1,2 cm
 Description:
Photo © Saphira Minerals
 Viewed:  364 Time(s)

YaogFLUO.jpg


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PostPosted: Mar 29, 2024 10:12    Post subject: Re: Collection of Tobi  

You have a very good taste, Tobi. It's indeed a fine specimen. Congratulations!
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