11 February 2019

"Jackstone" urolith


This one reportedly comprised of calcium oxalateVia

6 comments:

  1. I hope that was taken from an Elephant or whale. Yikes.

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  2. Apparently the little ones, sand grain type, are more painful. The big ones don't try to go anywhere, so they are less problematic generally.

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  3. This is a jackstone. Always interesting to see on cat scan.

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  4. Red color comes from Fe(II) ions. Calcium oxalate is white.

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