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22 May-11:36:27 Re: quarter million fake tourmaline cluster. (Markbeckett)
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22 May-01:24:51 Re: collection of heimo hellwig (Heimo Hellwig)
22 May-01:06:49 The mizunaka collection - olmiite (Am Mizunaka)
21 May-19:49:43 Re: quarter million fake tourmaline cluster. (Texasdigger)
21 May-19:24:14 Re: quarter million fake tourmaline cluster. (Alfredo)
21 May-18:37:56 Re: quarter million fake tourmaline cluster. (Bob Harman)
21 May-17:27:35 Re: a mineralogical trip through the regions of the uk - england / cumbria (Colin Robinson)
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21 May-17:18:18 Re: quarter million fake tourmaline cluster. (John Betts)
21 May-17:18:06 Re: quarter million fake tourmaline cluster. (Jean Sendero)
21 May-17:13:43 Re: a mineralogical trip through the regions of the uk - england / cumbria (Colin Robinson)
21 May-17:08:09 Re: quarter million fake tourmaline cluster. (Texasdigger)
21 May-17:00:56 Re: quarter million fake tourmaline cluster. (Alfredo)
21 May-16:59:10 Re: a mineralogical trip through the regions of the uk - england / yorkshire (Colin Robinson)
21 May-16:48:34 Re: quarter million fake tourmaline cluster. (Fiebre Verde)
21 May-16:33:30 Re: a mineralogical trip through the regions of the uk - england / county durham (Colin Robinson)
21 May-16:17:46 Re: quarter million fake tourmaline cluster. (Jean Sendero)
21 May-16:16:32 Re: a mineralogical trip through the regions of the uk - england / county durham (Colin Robinson)

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Colored Glass or Obsidian
  
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ilzho




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PostPosted: Feb 18, 2017 17:45    Post subject: Colored Glass or Obsidian  

My mother who used to be a science teacher back in the 70's was given some pieces of this, some as big as my fist.
I am thinking it's colored glass, but before I make a decision, I thought I would post a few pictures.

What do you all think, glass or obsidian?

THank you,
David



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marco campos-venuti




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PostPosted: Feb 18, 2017 19:38    Post subject: Re: Colored Glass or Obsidian  

Colored man made glass. Absolutely!
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ilzho




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PostPosted: Feb 18, 2017 19:44    Post subject: Re: Colored Glass or Obsidian  

Thank you!!!!
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