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The information provided within this Forum about localities is only given to allow reference to them. Any visit to any of the localities requires you to obtain full permission and relevant information prior to your visit. FMF is strictly against any illicit activities related to collecting minerals.
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| Search found 8 matches |
| Author | Message |
|---|---|
 Topic: I am looking for decayed pyrite and marcasite specimens for research |
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| Trudy Bolin Replies: 24 Views: 65851 |
 Forum: The Ten Thousand Club Posted: Oct 25, 2013 15:10 Subject: Re: I am looking for decayed pyrite and marcasite specimens for research |
| Would anyone out there have a piece of coal that has undergone spontaneous combustion? I should have all kinds of sulfates in it. I would like to use spectroscopy to examine the sulfates and see how ... | |
| Topic: New find:skeletal pyrite |
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| Trudy Bolin Replies: 2 Views: 8566 |
Forum: Minerals and Mineralogy Posted: Sep 27, 2013 12:29 Subject: Re: new find:skeletal pyrite |
| Hi all,
Received today a small lot of verry nice skeletal pyrites from a private mine in washington. These items are naturaly etched and looks great. Will post more information and pictures lat ... |
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| Topic: Cleaning pyrite suns |
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| Trudy Bolin Replies: 6 Views: 22569 |
Forum: Conserving, Preparing and Cleaning Minerals Posted: May 30, 2013 12:00 Subject: Re: Cleaning pyrite suns |
| If the pyrite was in a mine, then it was probably already exposed to water. It looks like there's dried mud on the surface.
If the pyrite has managed to be stable up to this point, then it probabl ... |
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| Topic: I am looking for decayed pyrite and marcasite specimens for research |
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| Trudy Bolin Replies: 24 Views: 65851 |
Forum: Minerals and Mineralogy Posted: Sep 16, 2011 14:19 Subject: Re: I am looking for decayed pyrite and marcasite specimens for research |
| Hi! I'm still out here working on this. Thank you to everyone who has sent me samples. My collaborators have asked me to get some pyrrhotite (decayed and otherwise) in the meantime. I would also b ... | |
| Topic: I am looking for decayed pyrite and marcasite specimens for research |
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| Trudy Bolin Replies: 24 Views: 65851 |
Forum: Minerals and Mineralogy Posted: Aug 29, 2011 16:08 Subject: Re: I am looking for decayed pyrite and marcasite specimens for research |
| It looks like it could be marcasite, if the crystals are sheet-like. Or marcasite that morphed to pyrite. | |
| Topic: I am looking for decayed pyrite and marcasite specimens for research |
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| Trudy Bolin Replies: 24 Views: 65851 |
Forum: Minerals and Mineralogy Posted: Jun 22, 2011 16:07 Subject: Re: I am looking for decayed pyrite and marcasite specimens for research |
| Hi. I have been offered some samples of decayed pyrite and marcasite. Thanks! I eagerly await them, as the more statistics I have the better. In the meantime, I have also obtained some decayed spe ... | |
| Topic: I am looking for decayed pyrite and marcasite specimens for research |
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| Trudy Bolin Replies: 24 Views: 65851 |
Forum: Minerals and Mineralogy Posted: Jun 06, 2011 14:37 Subject: Re: I am looking for decayed pyrite and marcasite specimens for research |
| Hi. I can't write private messages yet, as I just joined the forum.
Darryl, I would like very much to see the coal and shale samples, with the pyrite and the marcasite. Certain clays are a suspect ... |
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| Topic: I am looking for decayed pyrite and marcasite specimens for research |
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| Trudy Bolin Replies: 24 Views: 65851 |
Forum: Minerals and Mineralogy Posted: May 31, 2011 15:51 Subject: I am looking for decayed pyrite and marcasite specimens for research |
| Popping sounds? I haven't heard of that before. That's interesting.
I am not a mineral collector, but I look at metal sulfide transformations in fossil fuels. I have been interested in how pyrit ... |
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