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How to collect in an "apartment for sale".
  
  Index -> The histories behind mineral specimens
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Sante Celiberti




Joined: 04 Oct 2019
Posts: 699
Location: Tuscany


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PostPosted: Aug 04, 2020 05:49    Post subject: How to collect in an "apartment for sale".  

Hello.

A friend asked me to accompany him to see an apartment for sale.
In the entrance, on a small piece of furniture, I saw a wonderful pyrite.
I'm used to these meetings because, although all the mines in the area have been closed for at least 30 years, traces of past mining are still present in our territory.
I asked the owner for permission to examine the specimen and, while I observed it, he told me that his father-in-law worked in the Niccioleta mine and then added: "If you like it, you can take it away": Of course, he didn't have to repeat it twice.

The pyrite was glued with bostik on a wooden base, as was done 50 years ago. It was not difficult to uncouple it from its base, but it was the identification of the provenance,
Among the four big Tuscan pyrite mines (Elba, Gavorrano, Niccioleta and Boccheggiano) I immediately excluded the last two for not having produced these type of crystals.
The doubt remains between Elba and Gavorrano, as both produced big pyritohedra with some "windows" on the faces and modifications of the cube, octahedron and diploid on the edges and corners.
The total absence of hematite, which always accompanies - at list in traces - the large Elban crystals and which is almost absent in Gavorrano, makes me lean towards the latter mine. But the presence of iron crosses, frequent on Elba and rare on Gavorrano, makes me lead towards the first.

After so many years, for my shame, the specimen is still cataloged "Pyrite - Toscana", although I'm almost certain that it is Elban.

Best regards,
Sante



IMG_20200111_194811.jpg
 Description:
Wooden base of 25 x 25 cm, with hollow to allocate the Pyrite.
 Viewed:  17460 Time(s)

IMG_20200111_194811.jpg



IMG_20200111_195624.jpg
 Description:
Rear side of the Pyrite with the bostk still glued on.
 Viewed:  17458 Time(s)

IMG_20200111_195624.jpg



IMG_20200111_194251.jpg
 Description:
The Pyrite specimen as is presented on its original base.
 Viewed:  17450 Time(s)

IMG_20200111_194251.jpg



IMG_20200111_194902.jpg
 Mineral: Pyrite
 Locality:
Tuscany, Italy
 Dimensions: 15,5 x 14 cm
 Description:
The specimen in all its splendor, with several twinnings.
 Viewed:  17523 Time(s)

IMG_20200111_194902.jpg



IMG_20200628_103525.jpg
 Mineral: Pyrite
 Locality:
Tuscany, Italy
 Dimensions: 15,5 x 14 cm
 Description:
Different view. The major crystal measures 11.5 cm.
 Viewed:  17494 Time(s)

IMG_20200628_103525.jpg


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