Ooops!

topic posted Mon, October 12, 2009 - 11:13 AM by  BJ
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BJ
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BJ
offline BJ
Nashville
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  • Re: Ooops!

    Mon, October 12, 2009 - 1:37 PM
    Hello. BJ. That stone I happen to recognize right away as an agate.

    The story is actually in the stone. It's got large pieces of material also that have been changed to a quartz composition from what I'm thinking is an original limestone, composed of pebbles of stone (geologists might call them 'rip-up clasts') in a matrix of little balls called 'ooids'. The way it's been agatized is pervasive, but not destructive, and that's an entire story in itself, as agatization/silicification is kind to the original depositional texture of a sedimentary rock.

    Congratulations on your acquisitions.
    • BJ
      BJ
      offline 39

      Re: Ooops!

      Mon, October 12, 2009 - 3:41 PM
      Thank you! Any particular Agate ~ or just a plain Agate (for my description).?
  • Re: Ooops!

    Mon, October 12, 2009 - 3:32 PM
    It could be a jasper or al least an agate jasper.
    • BJ
      BJ
      offline 39

      Re: Ooops!

      Mon, October 12, 2009 - 3:44 PM
      Thank you for your suggestion! I'm going to go with Agate but maybe I can find a photo of an Agate Jasper and compare.

      BJ
      • Re: Ooops!

        Mon, October 12, 2009 - 4:08 PM
        Agate is banded and jasper is opaque, both are types of non crystallized quartz.

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