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PhotosKapellasite - Herzog Julius smelter slag locality, Astfeld, Goslar, Harz, Lower Saxony, Germany

13th Feb 2017 11:26 UTCChristian Auer 🌟 Expert

04200910016071409838408.jpg
Some years ago I got the info that all bottalackite from the Herzog Julius smelter are the new species kapellastite.

Unfortunately I can`t remember from where I got this info but it must have been from another Austrian collector.


We have plenty of botallackite pics here https://www.mindat.org/gallery.php?loc=6026&min=732.

Can someone confirm my info?

13th Feb 2017 11:52 UTCReiner Mielke Expert

Seems to me that EDS should be able to distinguish the two and that all samples should be analyzed before naming it as they look the same.

13th Feb 2017 11:57 UTCChristian Auer 🌟 Expert

I know Reiner - but whats with the 14 botallackite that we have here already?

Someone has done ID`s otherwise I wouldn`t have gotten the info but I can`t remember who it was.

13th Feb 2017 14:30 UTCChristian Auer 🌟 Expert

Seems others got the info too!

https://www.mindat.org/photo-83848.html Stephan describes it and Elmar https://www.mindat.org/photo-77994.html .

13th Feb 2017 15:14 UTCUwe Kolitsch Manager

"Unfortunately I can`t remember from where I got this info but it must have been from another Austrian collector."


Original info is in the type description of kapellasite.

14th Feb 2017 07:14 UTCChristian Auer 🌟 Expert

So what shall we do with the botallackite pics here?

On mineralienatlas.de the bottalackite has a ?

Richard Bayerl confirmed my own experience too (on FB) that this smelter has Zn-dominant material.

14th Feb 2017 10:26 UTCAntonio Borrelli Expert

One of the botallackite pics is mine.

I still have the specimen in my collection but for the moment I'm not having it tested.

If you want feel free to delete it from the galleries.

BTW Raman could distinguish the two species?

17th Feb 2017 14:09 UTCChristian Auer 🌟 Expert

I have analysed today several micros of that smelter. Two of them were kapellasite - and yes they are kapellasite!


Cu 27 Cl 18 Zn 14 atom%

Cu 26 Cl 21 Zn 12


As Richard told me already its a Zn dominant smelter! Many vugs are filled with hemimorphite + kapellasite.

So what shall we do with the botallackite pics?


By the way I`ll add several pics of species I analysed today the next week.
 
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