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Help needed for locations
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Dany Mabillard




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PostPosted: Oct 27, 2019 09:04    Post subject: Re: Help needed for locations  

Hello everybody,

Could someone confirm the location of this specimen ?

Thank you in advance.



Fluorite - Baryte no 71.jpg
 Mineral: Fluorite and Baryte
 Locality:
Teufelsgrund Mine, Belchen, Münstertal, Breisgau-Hochschwarzwald District, Freiburg, Baden-Württemberg, Germany
 Dimensions: 90 mm x 60 mm x 40 mm
 Description:
 Viewed:  2384 Time(s)

Fluorite - Baryte no 71.jpg


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Tobi




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PostPosted: Oct 28, 2019 02:34    Post subject: Re: Help needed for locations  

Dany Mabillard wrote:
Hello everybody,
Could someone confirm the location of this specimen ?
Thank you in advance.
Hi Dany, the combination of fluorite in pale shades of green or blue or purple with baryte is common in several Black Forest localities. So I can't tell you for sure if this specimen is from Grube Teufelsgrund, but it could be ...

Regards
Tobi
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Dany Mabillard




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PostPosted: Oct 28, 2019 12:04    Post subject: Re: Help needed for locations  

Tobi wrote:
Dany Mabillard wrote:
Hello everybody,
Could someone confirm the location of this specimen ?
Thank you in advance.
Hi Dany, the combination of fluorite in pale shades of green or blue or purple with baryte is common in several Black Forest localities. So I can't tell you for sure if this specimen is from Grube Teufelsgrund, but it could be ...

Regards
Tobi


Thank you Tobi for the information.
Have a nice evening.
Dany.
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Dany Mabillard




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PostPosted: Jan 02, 2020 09:16    Post subject: Re: Help needed for locations  

Hello everyone !

Could someone help me to find or confirm the location of these two minerals ?
The first one was sold as a Brazilian one.
The second one as an American or Mexican one.

Thank you in advance.



Quartz var. Amethyst no 179 - FMF.JPG
 Mineral: Quartz (variety amethyst)
 Dimensions: 100 mm x 60 mm x 50 mm
 Description:
 Viewed:  1985 Time(s)

Quartz var. Amethyst no 179 - FMF.JPG



Calcite no 180 - FMF.JPG
 Mineral: Calcite
 Dimensions: 50 mm x 40 mm x 40 mm
 Description:
 Viewed:  1989 Time(s)

Calcite no 180 - FMF.JPG


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Dany Mabillard




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PostPosted: Jun 05, 2020 11:24    Post subject: Re: Help needed for locations  

Hello everybody,

Is it possible that this gypsum is from Niccioleta Mine, Massa Marittima, Grosseto Province, Tuscany, Italy ?

Thank you in advance.

Nice week-end to all and keep safe.



t_gypse_no_161_265.jpg
 Mineral: Gypsum
 Dimensions: 190 mm x 150 mm x 90 mm
 Description:
 Viewed:  513 Time(s)

t_gypse_no_161_265.jpg


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James Catmur
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Joined: 14 Sep 2006
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PostPosted: Jun 05, 2020 14:00    Post subject: Re: Help needed for locations  

They could be from almost anywhere. Sorry
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Sante Celiberti




Joined: 04 Oct 2019
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PostPosted: Jun 05, 2020 14:52    Post subject: Re: Help needed for locations  

Hi, Dany. How are you?

Are you at least sure that your gypsum is from Tuscany?
If so, the habit and size of your crystal are compatible with Niccioleta mine. Traces of pyrite could confirm the locality.
Another nearby locality that produced big crystals, often with the same habit, is Gypsum quarries of Roccastrada. Here, sometimes, the crystal faces show a particular texture due to dissolution for rainwater exposure, as I had the impression to recognize on your specimen (just an impression).
I hope it serves.

A warm greeting from Gavorrano (about 30 kilometers from Niccioleta and from Roccastrada).



IMG_20200210_110136.jpg
 Mineral: Gypsum, Pyrite
 Locality:
Niccioleta Mine, Massa Marittima, Grosseto Province, Tuscany, Italy
 Dimensions: 12 x 12,5 cm
 Description:
The biggest crystal is 11 cm.
 Viewed:  476 Time(s)

IMG_20200210_110136.jpg


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Sante Celiberti




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PostPosted: Jun 05, 2020 15:06    Post subject: Re: Help needed for locations  

Sorry, I got the wrong button...


IMG_20200210_110556.jpg
 Mineral: Gypsum, Pyrite
 Locality:
Niccioleta Mine, Massa Marittima, Grosseto Province, Tuscany, Italy
 Dimensions: 12 x 12,5 cm
 Description:
Different view.
 Viewed:  474 Time(s)

IMG_20200210_110556.jpg



IMG_20200211_120732.jpg
 Mineral: Gypsum
 Locality:
Gypsum quarries, Roccastrada, Grosseto Province, Tuscany, Italy
 Dimensions: 18 x 18 cm
 Description:
A slightly bent crystal.
 Viewed:  473 Time(s)

IMG_20200211_120732.jpg



IMG_20200212_103750.jpg
 Mineral: Gypsum
 Locality:
Gypsum quarries, Roccastrada, Grosseto Province, Tuscany, Italy
 Dimensions: 20 x 8 cm
 Description:
Nice texture due to dissolution.
 Viewed:  474 Time(s)

IMG_20200212_103750.jpg



IMG_20200212_104746.jpg
 Mineral: Gypsum
 Locality:
Gypsum quarries, Roccastrada, Grosseto Province, Tuscany, Italy
 Dimensions: 20 x 8 cm
 Description:
Texture detail.
 Viewed:  473 Time(s)

IMG_20200212_104746.jpg


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Dany Mabillard




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PostPosted: Jun 05, 2020 16:25    Post subject: Re: Help needed for locations  

Thank you Sante for your answer.

I'm fine but I miss the mineral shows and you ?

The gypsum is from an old collection (Deyrolle - 1967) and was sold with Grosseto Province, Tuscany, Italy as location.
My specimen looks more Roccastrada than Niccioleta but because I'm not sure I will keep labeled Grosseto Province, Tuscany, Italy.

Have an excellent weekend and keep safe.
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Dany Mabillard




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PostPosted: Jun 05, 2020 16:32    Post subject: Re: Help needed for locations  

James Catmur wrote:
They could be from almost anywhere. Sorry


Thank you for your answer.

Excellent weekend.
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Sante Celiberti




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PostPosted: Jun 05, 2020 17:22    Post subject: Re: Help needed for locations  

Hi, Dany.

I'm fine too, thank you. And I also miss my usual mineral shows...
As for your gypsum, if you don't see any pyrite traces and, moreover, you see some dissolution patterns you can be sure it comes from Roccastrada and not from Niccioleta.
I've handled hundreds of specimens from both localities and many dozens are in my collection.
Crystals from the many other localities in Grosseto province don't show that size associated with that habit.

Un bon week-end à toi aussi.
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Dany Mabillard




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PostPosted: Jun 06, 2020 12:00    Post subject: Re: Help needed for locations  

Sante Celiberti wrote:
Hi, Dany.

I'm fine too, thank you. And I also miss my usual mineral shows...
As for your gypsum, if you don't see any pyrite traces and, moreover, you see some dissolution patterns you can be sure it comes from Roccastrada and not from Niccioleta.
I've handled hundreds of specimens from both localities and many dozens are in my collection.
Crystals from the many other localities in Grosseto province don't show that size associated with that habit.

Un bon week-end à toi aussi.


Hello Sante, yes my specimen is Pyrite free and has some dissolution patterns so I'll have à more precise location.

Thank you for your help.

Buona serata.
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