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Shell or grit tempered?

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  • Shell or grit tempered?

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ID:	413730 I can't tell if it's shell or crushed quartz ..any ideas?
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    SW Connecticut

  • #2
    That has always baffled me, I thought it was one thing and the person who wrote a pottery book told me it was something else.
    South East Ga. Twin City

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    • #3
      It looks like shell tempered to me. But photos are not the best to show what the temper is made of. If you can't tell when you are holding it in hand I don't understand why you think a picture would be much help to us. I suggest you dig out some of the temper and look at it under magnification. That should tell you.

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      • redrocks
        redrocks commented
        Editing a comment
        Good point SJ...I may try that.thanks

    • #4
      I bet shell .
      Lubbock County Tx

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      • #5
        Kind of has that white shell look, but like Joe said.
        South Dakota

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        • #6
          If it is shell you can scratch a piece off and and rub it to dust in your fingers, the shell will look like chalk. If it is quartz(doesn’t look like it) then you will be holding tiny grains of sand you can’t crush.

          i break a piece to see the cross section of it. If you do, the shell will break too, the grit will stay in one side or the other...
          Wandering wherever I can, mostly in Eastern Arkansas, always looking down.

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          • redrocks
            redrocks commented
            Editing a comment
            Good idea I will try it tomorrow....but this is one of the pieces u saw in my clicker post....I could prolly knock off one white piece near the edge...thanks man

        • #7
          I think shell myself. I find mostly crushed quartz in the pottery here and it doesn't look like any I have found. Take a needle to one of the pieces so it doesn't break
          NW Georgia,

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          • #8
            You can use a drop of acid on the temper pieces and if they fizz they are shell and/or limestone..... vinegar might work, hydrochloric better

            Professor Shellman
            Tampa Bay

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            • redrocks
              redrocks commented
              Editing a comment
              Cool thanks Tom

          • #9
            Tom has the best way but just knowing your area and all those net weights I am going with shell to keep it simple .
            You can tell red if you look at it under a loop . We have so much of that sugar gold look and see if there is any in your pieces I sent you . I have some that glitter in the sun .
            Lumpkin a county over was the gold rush before Cali

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            • redrocks
              redrocks commented
              Editing a comment
              Thanks tam I know u know you're pottery....let me see if I can get a loop .....and I'll check the pieces of .your Georgia stuff too

            • tomclark
              tomclark commented
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              That's good advice and info, Tam. When sand is used you can see it glitter with the light and angle

          • #10
            I though quartz but when the examination is over please share the conclusion!
            And happy new year !!!
            New Jersey

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            • redrocks
              redrocks commented
              Editing a comment
              I will when I examine it closer...thanks...happy new year man

          • #11
            Looks like crushed quartz. Nice size
            North Carolina

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            • redrocks
              redrocks commented
              Editing a comment
              Thanks. I think quartz also. But I wanna get a.jewelers loop. .. I'll post what I find

          • #12
            You can just go to Walmart in the optical department for a cheap 10x mag
            $5 for now

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            • redrocks
              redrocks commented
              Editing a comment
              Thanks Tam I gotta get one ..yes
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