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Collection from Dany Mabillard
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Dany Mabillard




Joined: 01 Jul 2019
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PostPosted: Mar 06, 2021 15:29    Post subject: Re: Collection from Dany Mabillard  

Very aesthetic specimen.


Quartz no 213 - FMF.jpg
 Mineral: Gypsum
 Locality:
Switzerland
 Dimensions: 90 mm x 80 mm x 70 mm
 Description:
 Viewed:  701 Time(s)

Quartz no 213 - FMF.jpg


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Sante Celiberti




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PostPosted: Mar 06, 2021 16:23    Post subject: Re: Collection from Dany Mabillard  

Hi, Dany.

Thank you, I'm fine, although waiting for the vaccine...

As far as I know, needle quartz often occurs with the Dauphiné habit in Val Bedretto (and many other Alpine localities).
It is not difficult to distinguish it. A rhombohedral face (of the termination...) is quite larger than the others, sometimes a little and sometimes a lot, creating in the second case, a so called flute beak shape.
I'm sure now you will find some among your Alpine quartzes. Good luck.

Stay safe.
Sante
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Sante Celiberti




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PostPosted: Mar 06, 2021 17:02    Post subject: Re: Collection from Dany Mabillard  

For example, in the needle quartz from Bedretto Valley that you posted on july 10th 2019 there are many. :-)
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Volkmar Stingl




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PostPosted: Mar 07, 2021 01:40    Post subject: Re: Collection from Dany Mabillard  

Hi Dany,

are you sure, that your last needle quartz is really quartz? I am quite sure, that I see some dovetail twins, and also the overall habit makes me think of gypsum. What is the hardness of these crystals?

Maybe I am wrong, my eyes sometimes are not that good as I want.

Volkmar
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Jordi Fabre
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PostPosted: Mar 07, 2021 04:28    Post subject: Re: Collection from Dany Mabillard  

Volkmar Stingl wrote:
Hi Dany,

are you sure, that your last needle quartz is really quartz? I am quite sure, that I see some dovetail twins, and also the overall habit let me think of gypsum. What is the hardness of these crystals?...

I agree, it looks a lot like Gypsum
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James Catmur
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PostPosted: Mar 07, 2021 07:19    Post subject: Re: Collection from Dany Mabillard  

I agree that it looks like gypsum
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Dany Mabillard




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PostPosted: Mar 07, 2021 07:58    Post subject: Re: Collection from Dany Mabillard  

Thanks James, Jordi and Volkmar.

You're right. "The Chinese Fluorite won the fight against the Swiss Gypsum". You must not always trust the seller.

Could someone change the mineral name and keep only Switzerland for the provenance ?

Have a nice Sunday and keep safe.
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Dany Mabillard




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PostPosted: Mar 20, 2021 09:43    Post subject: Re: Collection from Dany Mabillard  

Two Swiss specimens.


Hematite - Quartz no 215 - FMF.jpg
 Mineral: Muscovite - Quartz
 Locality:
Switzerland
 Dimensions: 60 mm x 40 mm x 30 mm
 Description:
 Viewed:  356 Time(s)

Hematite - Quartz no 215 - FMF.jpg



Hematite no 214 - FMF.jpg
 Mineral: Hematite
 Locality:
Switzerland
 Dimensions: 180 mm x 120 mm x 50 mm
 Description:
 Viewed:  356 Time(s)

Hematite no 214 - FMF.jpg



Hematite no 214 - 2 - FMF.jpg
 Mineral: Hematite
 Locality:
Switzerland
 Dimensions: 10 mm x 5 mm x 2 mm
 Description:
Dimension for the biggest. Detail of the preceeding one.
 Viewed:  356 Time(s)

Hematite no 214 - 2 - FMF.jpg


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Volkmar Stingl




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PostPosted: Mar 20, 2021 10:37    Post subject: Re: Collection from Dany Mabillard  

Sorry Dany,

Your first hematite (with quartz) is not hematite, but nice silvery muscovite plates, as far as I see.

Volkmar
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Michael Shaw
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PostPosted: Mar 20, 2021 18:44    Post subject: Re: Collection from Dany Mabillard  

Volkmar Stingl wrote:
Sorry Dany,

Your first hematite (with quartz) is not hematite, but nice silvery muscovite plates, as far as I see.

Volkmar


Absolutely. Change made.
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Dany Mabillard




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PostPosted: Mar 21, 2021 10:43    Post subject: Re: Collection from Dany Mabillard  

Volkmar Stingl wrote:
Sorry Dany,

Your first hematite (with quartz) is not hematite, but nice silvery muscovite plates, as far as I see.

Volkmar


Thank you for your message. I need to be more careful and still to learn a lot.

Have a nice day and keep safe.
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Dany Mabillard




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PostPosted: Mar 21, 2021 10:46    Post subject: Re: Collection from Dany Mabillard  

Michael Shaw wrote:
Volkmar Stingl wrote:
Sorry Dany,

Your first hematite (with quartz) is not hematite, but nice silvery muscovite plates, as far as I see.

Volkmar


Absolutely. Change made.


Thank you and sorry. Have a nice day and keep safe..
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James Catmur
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PostPosted: Mar 22, 2021 08:49    Post subject: Re: Collection from Dany Mabillard  

Done

Dany Mabillard wrote:
Thanks James, Jordi and Volkmar.

You're right. "The Chinese Fluorite won the fight against the Swiss Gypsum". You must not always trust the seller.

Somebody could change the mineral name and keep only Switzerland for the provenance ?

Have a nice Sunday and keep safe.
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