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14 May-17:16:14 The mizunaka collection - rhodochrosite (Am Mizunaka)
14 May-16:06:46 Franklinite from sterling mine, usa / mvm (minerals - virtual museum) collection (Jordi Fabre)
13 May-08:04:35 Re: collection of michael shaw - wulfenite from the type locality (Michael Shaw)
12 May-20:33:12 The mizunaka collection - beryl (Am Mizunaka)
12 May-13:48:03 Rhodonite from san martín mine, peru / mvm (minerals - virtual museum) collection (Jordi Fabre)
12 May-04:20:26 Collection of carles millan: calcite from la cuerre mine (Carles Millan)
11 May-16:20:39 Re: the mizunaka collection (Am Mizunaka)
11 May-13:35:54 Phenakite with fluorite from huanggang, china / mvm (minerals - virtual museum) collection (Jordi Fabre)
11 May-01:43:24 Re: the mizunaka collection (Dany Mabillard)
10 May-16:55:47 Uvarovite from outokumpu, finland / mvm (minerals - virtual museum) collection (Jordi Fabre)
09 May-13:23:43 Re: collection of volkmar stingl (Volkmar Stingl)
08 May-17:32:48 Re: quartz twins (Bob Morgan)
07 May-23:40:44 Re: quartz twins (Herwig)
07 May-17:07:55 The mizunaka collection - smoky quartz (Am Mizunaka)
07 May-15:10:39 Re: quartz twins (Roger Warin)
07 May-14:13:54 Re: collection of michael shaw (James Catmur)
07 May-10:22:14 Re: collection of michael shaw - quartz ps. After barite (Michael Shaw)
07 May-09:39:53 Re: quartz twins (Bob Carnein)
07 May-08:22:46 Re: quartz twins (Pete Richards)
06 May-23:47:28 Re: collection of volkmar stingl (Volkmar Stingl)
06 May-15:58:27 Tricolour tourmaline from madagascar / mvm (minerals - virtual museum) collection (Jordi Fabre)
06 May-15:25:14 Re: carlos pareja photo collection (Carlos Pareja)
06 May-15:20:01 Re: carlos pareja photo collection (Carlos Pareja)
06 May-09:58:11 Re: the mim museum in beirut, lebanon (Mim Museum)
06 May-07:05:10 Re: martin danovski minerals collection (Danovskim)

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Is this dolomite-pyrite-siderite?
  
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gk68




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PostPosted: May 27, 2024 15:47    Post subject: Is this dolomite-pyrite-siderite?  

Hi forum,

I am here seeking some help. Just to confirm

Is this dolomite-pyrite-siderite?

or something else?

dim.: approx. 15 cm X 10 cm X 13 cm
net weight: 1633 gr.

origin: Unknown

As always any help very much appreciated.



f2.jpg
 Mineral: dolomite
 Dimensions: 15X10X13 cm
 Description:
 Viewed:  3496 Time(s)

f2.jpg



f1.jpg
 Description:
 Viewed:  3491 Time(s)

f1.jpg



f3.jpg
 Description:
 Viewed:  3510 Time(s)

f3.jpg


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bob kerr




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PostPosted: May 27, 2024 15:52    Post subject: Re: Is this dolomite-pyrite-siderite?  

Mica
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Bob Carnein




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PostPosted: May 27, 2024 19:06    Post subject: Re: Is this dolomite-pyrite-siderite?  

Probably muscovite. It would help if you would clean it up.
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Kevin Schofield




Joined: 05 Jan 2018
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PostPosted: May 28, 2024 10:15    Post subject: Re: Is this dolomite-pyrite-siderite?  

gk68 wrote:
Hi forum,

I am here seeking some help. Just to confirm

Is this dolomite-pyrite-siderite?

or something else?

dim.: approx. 15 cm X 10 cm X 13 cm
net weight: 1633 gr.

origin: Unknown

As always any help very much appreciated.


Looks like 100% muscovite to me...

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Veni, Vidi, Emi
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Volkmar Stingl




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PostPosted: May 28, 2024 11:34    Post subject: Re: Is this dolomite-pyrite-siderite?  

Muscovite or lepidolite is also my opinion!
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Jordi Fabre
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PostPosted: May 28, 2024 15:48    Post subject: Re: Is this dolomite-pyrite-siderite?  

Considering the original request:

Is this dolomite-pyrite-siderite?

I would prefer just 'Mica Group' because, although it is true that it could be Muscovite, considering the photos, lepidolite seems to be another good possibility.
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gk68




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PostPosted: May 31, 2024 15:40    Post subject: Re: Is this dolomite-pyrite-siderite?  

many thanks to the members who assisted in this, really appreciated.
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