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Type locality for stibnite?
  
  Index -> Mines and Mineral Localities
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David




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PostPosted: Oct 09, 2012 10:57    Post subject: Type locality for stibnite?  

Hello,
Can someone please tell me which is the type locality for stibnite? The information I got so far is rather confusing.
Is there someone here focused on collecting stibnite? It is my favourite mineral.
Thanks!
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Jolyon Ralph




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PostPosted: Oct 09, 2012 11:10    Post subject: Re: type locality for stibnite?  

As far as I know it doesn't have one as the original first source is unknown.
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Pete Modreski
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PostPosted: Oct 09, 2012 11:24    Post subject: Re: Type locality for stibnite?  

Yes, for sure, it's one of those minerals that "dates back to antiiquity". According to Dana, stibnite (stibium, etc.) goes back to C. Plinii Secundus (Pliny the Younger), Historia Naturalis, A.D. 77.

Cheers, Pete
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Peter




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PostPosted: Oct 09, 2012 11:57    Post subject: Re: Type locality for stibnite?  

I used to have a larger stibnite group with 12-15 cm crystals not completely free standing like rumanian or chinese but quite intergrown, from an old Greek locality! Got it in an antique shop in Athens in 1983. Gave it to my sister years ago.
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David




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PostPosted: Oct 09, 2012 13:26    Post subject: Re: Type locality for stibnite?  

Thank you for your input.
I am very proud of my stibnite collection and it gives me much joy. At this time I have about 20 specimens and counting. Maybe I will post some pictures sometimes.
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David




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PostPosted: Oct 09, 2012 13:48    Post subject: Re: Type locality for stibnite?  

Romanian stibnites are not necessarily free standing. What is remarkable about Romanian stibnites, besides being some of the best in the world, is that they come in a huge variety although they are to be found in a confined mining area.
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Tsinidis Tasos




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PostPosted: Oct 09, 2012 14:59    Post subject: Re: Type locality for stibnite?  

Hello all!
Peter
Your note about a 12-15 cm crystals stibnite from Greece is really very interesting.
In fact it would be a crystal size record if you are talking about crystal size and not whole specimen size.I know it's been a long time since you had it but is it possible to remember details (matrix ?)
In Greece the best stibnite specimens were coming out from the now closed Madem Lakkos mine in Chalkidiki prefecture,Central Macedonia.Another notable occurence is at Chios island but crystals don't exceed 2-3 cm at their best.
In foto is a specimen from Madem Lakkos mine.Stibnite from there is embedded in white dolomite and sometimes together with tiny quartz crystals.Was your specimen like this?

Tasos.



stib 002.jpg
 Description:
Stibnite on dolomite matrix
Madem Lakkos mine,Chalkidiki prefecture,Central Macedonia,Greece
5,5x5x4 cm
 Viewed:  16625 Time(s)

stib 002.jpg


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Riccardo Modanesi




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PostPosted: Oct 10, 2012 03:52    Post subject: Re: Type locality for stibnite?  

Hi to everybody!
As the biggest majority of you already know, stibnite is found in very beautiful crystals in Italy too, expecially in the Grosseto Province, Tuscany! Pliny The Old quotes those stibnite mines (the region was called Etruria in those times), in his Naturalis Historia.
Greetings from Italy by Riccardo.

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Hi! I'm a collector of minerals since 1973 and a gemmologist. On Summer I always visit mines and quarries all over Europe looking for minerals! Ok, there is time to tell you much much more! Greetings from Italy by Riccardo.
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Peter




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PostPosted: Oct 10, 2012 05:05    Post subject: Re: Type locality for stibnite?  

Yes, the specimen itself is just about the size of my hand with long crystals next to each other, little space inbetween some. Not from great open vug. The piece had gathered dust probably during some dekades when I got it. It was almost not possible to see the specie and the customes wondered if it was an atiquity when I was to send from the postal office. I also got some fine ligt colored rhodochrosite-or Mn carrying calcite, pyrite/galenite etc. Quite a few specimens, one Serifos quartz fakely planted into a large calcite blade, a big Ilvaite group.
Ricardo, thanks for mentioning the Pliny reference. Possibly Italian or Greek locality is type locality but of course some Rumanian mines were worked very early on and could also be the source.
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David




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PostPosted: Oct 10, 2012 15:49    Post subject: Re: Type locality for stibnite?  

Riccardo Modanesi wrote:
Hi to everybody!
As the biggest majority of you already know, stibnite is found in very beautiful crystals in Italy too, expecially in the Grosseto Province, Tuscany! Pliny The Old quotes those stibnite mines (the region was called Etruria in those times), in his Naturalis Historia.
Greetings from Italy by Riccardo.


I know you are right about that. When you say beautiful stibnite crystals from Grosseto you mean like this one?
It is one of my favourite items in my collection, so fragile and so exquisitely intricate.



PC040064.JPG
 Description:
Stibnite
Manciano, Grosetto, Italy
about 10x3x7
 Viewed:  16424 Time(s)

PC040064.JPG


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Riccardo Modanesi




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PostPosted: Oct 11, 2012 03:53    Post subject: Re: Type locality for stibnite?  

Hi to everybody, hi David!
Of course I do, of course I mean crystals like the one in your collection; even bigger crystals were found in historical times in those mines close to Grosseto. Pliny The Old quotes them among the Etrurian metalliferous mines.
Greetings from Italy by Riccardo.

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Hi! I'm a collector of minerals since 1973 and a gemmologist. On Summer I always visit mines and quarries all over Europe looking for minerals! Ok, there is time to tell you much much more! Greetings from Italy by Riccardo.
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David




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PostPosted: Oct 11, 2012 06:00    Post subject: Re: Type locality for stibnite?  

Riccardo, maybe you are kind enough to post some pictures of Italian stibnites if possible. Thanks!
Italian minerals are wonderful indeed.
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alex chaus




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PostPosted: Oct 11, 2012 23:08    Post subject: Re: Type locality for stibnite?  

Hi, all.
The following are some examples of stibnite specimens of Kyrgyz republic the most famous location.

Alex



01225.JPG
 Description:
Stibnite
Kadamjai mine, Kyrgyz republic
12 x 5 cm
 Viewed:  16343 Time(s)

01225.JPG



01308.JPG
 Description:
Stibnite on and covered with quartz
Kadamjai mine
8 x 3 cm
 Viewed:  16288 Time(s)

01308.JPG



01857.JPG
 Description:
Stibnite on quartz with birite
kadamjai
7.5 x 4 cm
 Viewed:  16315 Time(s)

01857.JPG


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David




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PostPosted: Oct 12, 2012 01:27    Post subject: Re: Type locality for stibnite?  

Thank you Alex for showing us those nice stibnites. The first one is absolutely wonderful.
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alex chaus




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PostPosted: Oct 12, 2012 03:49    Post subject: Re: Type locality for stibnite?  

David,
some more images about stibnite and minerals after that (stibiconite? valentinite?) not defined in full set accurately. Any idea after visual examination?
Alex



DSC01019.JPG
 Description:
Stibiconite or valentinite? after stibnite
Tereksay mine, Kyrgyzstan
about 15 by 9 cm
 Viewed:  16253 Time(s)

DSC01019.JPG



DSC01020.JPG
 Description:
closeup of the previous
 Viewed:  16273 Time(s)

DSC01020.JPG



DSC01033.JPG
 Description:
Cervantite? after stibnite and fresh stibnite
Tereksay mine, Kyrgyzstan
FOV about 10 cm
 Viewed:  16255 Time(s)

DSC01033.JPG


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Jordi Fabre
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PostPosted: Oct 20, 2012 15:20    Post subject: Re: Type locality for stibnite?  

alex chaus wrote:
..some more images about stibnite and minerals after that (stibiconite? valentinite?) not defined in full set accurately. Any idea after visual examination?

It looks like Stibiconite Alex, but you can't discard anything until analyzed.

Just to give an example, the well known "Stibiconites" from China, in fact are Stibnites covered by small crystals of Sulfur...



Sulfur covering Stibnite - Xikuangshan Mine_Lengshuijiang_Hunan_China.jpg
 Description:
Sulfur covering large crystals of Stibnite formerly considered as "Stibiconites"
Xikuangshan Mine, Lengshuijiang, Hunan, China
Specimen size: 27.7 × 3.7 × 1.7 cm.
 Viewed:  15740 Time(s)

Sulfur covering Stibnite - Xikuangshan Mine_Lengshuijiang_Hunan_China.jpg



Sulfur covering Stibnite - Xikuangshan Mine_Lengshuijiang_Hunan_China - detail.jpg
 Description:
Detail of the Sulfur covering Stibnite
 Viewed:  15746 Time(s)

Sulfur covering Stibnite - Xikuangshan Mine_Lengshuijiang_Hunan_China - detail.jpg


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alex chaus




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PostPosted: Oct 21, 2012 21:13    Post subject: Re: Type locality for stibnite?  

Thank you, Jordi, for information.
I have read the mindat reference. Visually very close to my specimens but my specimens shows different lustre (from adamantine to dull). Also they have different hardness varied from 2.5 to 5-5.5 even on the same specimen.
Alex
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