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29 Jun-08:43:48 Re: red fluorescence in fluorite (Bob Carnein)
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28 Jun-21:23:29 The mizunaka collection - calcite (Am Mizunaka)
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26 Jun-14:06:50 Re: red fluorescence in fluorite (James Catmur)
26 Jun-11:22:28 Re: red fluorescence in fluorite (Bob Carnein)
26 Jun-01:01:30 The mizunaka collection - quartz scepter (Am Mizunaka)
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Help identify
  
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CJ Ward




Joined: 22 Mar 2022
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Location: florida

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PostPosted: Apr 03, 2022 12:46    Post subject: Help identify  

Can anyone help? Anthracite coal? Any idea? Result of Jerwyn fire Thanks


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Bob Carnein




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PostPosted: Apr 03, 2022 15:14    Post subject: Re: Help identify  

This appears to be a "coal ball", which is a mineralized concretion from a coal seam. They are usually calcareous and sometimes contain well preserved fossil plants.
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