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04 Aug-18:39:04 Re: tsumeb - deposit of dioptase on calcite. (Steveb)
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04 Aug-14:51:50 Re: tsumeb zincolivenite association - light blue acicular mineral = ? (Jordi Fabre)
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04 Aug-10:08:28 Re: tsumeb zincolivenite association - light blue acicular mineral = ? (Peter Megaw)
04 Aug-08:27:23 Tsumeb zincolivenite association - light blue acicular mineral = ? (Cfrench58)
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03 Aug-14:18:07 Re: tsumeb - deposit of dioptase on calcite. (Roger Warin)
03 Aug-13:05:21 Re: collection of volkmar stingl (Volkmar Stingl)
03 Aug-11:36:18 Re: tsumeb - deposit of dioptase on calcite. (Steveb)
03 Aug-10:56:32 Tsumeb - deposit of dioptase on calcite. (Roger Warin)
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02 Aug-23:55:17 Re: collection of volkmar stingl (Volkmar Stingl)
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Not sure what to make of this stone
  
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Ken




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PostPosted: May 18, 2021 21:29    Post subject: Not sure what to make of this stone  

This stone looks like it two types of minerals that make up one stone. It almost looks as if part of this stone has morphed, how common is this? I'm not sure as to what to label this stone as. Any ideals as to what mineral this might be?
That second stone appears to be the same mineral as the bottom of the first stone but without the rock parts. The hardness is 7.0 and the SG is 3.229.



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Volkmar Stingl




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PostPosted: May 18, 2021 22:17    Post subject: Re: Not sure what to make of this stone  

Looks like a granite with an epidote-filled vein.
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Ken




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PostPosted: May 23, 2021 22:09    Post subject: Re: Not sure what to make of this stone  

I looked at a lot of green mineral searching for a match and never came across epidote. Looks like a good match so I do think you may be right, cool, thanks.
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