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Peter Perkins
Joined: 17 Nov 2012
Posts: 87
Location: Norfolk,UK
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 Posted: Nov 29, 2012 09:50 Post subject: Siderite - maybe |
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These slender quartz crystals have a covering of brown/ginger crystals which I think are siderite. Do you agree? If not have you another suggestion? Sorry the focus isn't better.
| Description: |
Siderite (?) on quartz
Trepca mine, Kosovo
Field of view = 20x15mm
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Jordi Fabre
Overall coordinator of the Forum
Joined: 07 Aug 2006
Posts: 4896
Location: Barcelona
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| Posted: Nov 29, 2012 10:33 Post subject: Re: Siderite - maybe |
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| Peter Perkins wrote: | | These slender quartz crystals have a covering of brown/ginger crystals which I think are siderite. Do you agree? If not have you another suggestion? |
I believe is Siderite/Ankerite Peter.
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Susan Robinson
Joined: 05 Aug 2010
Posts: 163
Location: Hancock, MI
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| Posted: Nov 29, 2012 13:25 Post subject: Re: Siderite - maybe |
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Is there a possibility the crystals could be adularia? Just a guess.
_________________
Susan Robinson |
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Jordi Fabre
Overall coordinator of the Forum
Joined: 07 Aug 2006
Posts: 4896
Location: Barcelona
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| Posted: Nov 29, 2012 13:52 Post subject: Re: Siderite - maybe |
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| I do not think Susan, due the kind of deposit that Trepça is. As far as I know is a kind of polymetallic deposit, without feldspars.
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Peter Perkins
Joined: 17 Nov 2012
Posts: 87
Location: Norfolk,UK
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| Posted: Nov 29, 2012 16:03 Post subject: Re: Siderite - maybe |
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To Susan and Jordi,
No feldspar at Trepca. It bis a Pb/Zn mine yielding galena, sphalerite and also pyrite, arsenopyrite, boulangerite, calcite, dolomite, rhodochrosite, siderite and quartz. If you want more information google "Trepca Ore Belt and Stan Terg Mine - Geological overview and interpretation, Kosovo (SE Europe)" Peter
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Volkmar Stingl
Joined: 23 Sep 2012
Posts: 842
Location: Innsbruck
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| Posted: Nov 29, 2012 18:44 Post subject: Re: Siderite - maybe |
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| Peter Perkins wrote: | | "Trepca Ore Belt and Stan Terg mine - Geological overview and interpretation, Kosovo (SE Europe)" |
Trepca Ore Belt and Stari Trg Mine....
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nurbo
Joined: 23 Sep 2008
Posts: 457
Location: Lancashire
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| Posted: Nov 30, 2012 02:28 Post subject: Re: Siderite - maybe |
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Hi Peter,
How about Smithsonite, is the lustre waxy?
db
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Jordi Fabre
Overall coordinator of the Forum
Joined: 07 Aug 2006
Posts: 4896
Location: Barcelona
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| Posted: Nov 30, 2012 02:36 Post subject: Re: Siderite - maybe |
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| Volkmar Stingl wrote: | | Peter Perkins wrote: | | "Trepca Ore Belt and Stan Terg mine - Geological overview and interpretation, Kosovo (SE Europe)" |
Trepca Ore Belt and Stari Trg Mine.... |
Thanks Volkmar, I already fixed it in the post of Peter
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Peter Perkins
Joined: 17 Nov 2012
Posts: 87
Location: Norfolk,UK
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| Posted: Nov 30, 2012 05:12 Post subject: Re: Siderite - maybe |
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Volkmar,
It is important to distinguish between the correct spelling of a place name (Stari Trg) and the spelling used by authors of a scientific paper (Stan Terg). Peter
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Jordi Fabre
Overall coordinator of the Forum
Joined: 07 Aug 2006
Posts: 4896
Location: Barcelona
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| Posted: Nov 30, 2012 08:49 Post subject: Re: Siderite - maybe |
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| Peter Perkins wrote: | | It is important to distinguish between the correct spelling of a place name (Stari Trg) and the spelling used by authors of a scientific paper (Stan Terg) |
OK Peter. Although Mindat accept the name Stari Trg, they recommend as main name "Trepča Stan Terg Mine" ( https://www.mindat.org/loc-3052.html ) so I re-started that name in the Peter's text.
Sorry for the mix-up
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