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18 Jun-01:46:54 2024 nanjing mineral show (cimge) - video show report - 60+ videos (Bluecapproductions)
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13 Jun-10:21:15 Re: contributions of dr. C. Menor-salván - the chromate-rich mimetite from nakhlak - (48) (Fmf Forum)
13 Jun-10:20:35 Re: contributions of dr. C. Menor-salván - the chromate-rich mimetite from nakhlak - (48) (Fmf Forum)
13 Jun-10:18:48 Contributions of dr. C. Menor-salván - the chromate-rich mimetite from nakhlak - (48) (Fmf Forum)

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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:  617 Time(s)

f2.jpg



f1.jpg
 Description:
 Viewed:  619 Time(s)

f1.jpg



f3.jpg
 Description:
 Viewed:  619 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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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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