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what rock/mineral is this?
  
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Marjolein van Braak




Joined: 28 Aug 2021
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PostPosted: Aug 28, 2021 12:22    Post subject: what rock/mineral is this?  

Another mineral that I can't figure out. Some of the green pieces do look like green tourmaline. Google searches led me to actinolite. But neither of these are convincing for me.

If you need more information, ask me.



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Volkmar Stingl




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PostPosted: Aug 29, 2021 00:36    Post subject: Re: what rock/mineral is this?  

This is most probably a member of the Hornblende group (maybe Actinolite?). In the Tyrolean Alps, these rocks are known as "Hornblende-Garbenschiefer".

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Volkmar
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