Rocks In My Head

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geology et al
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07/21/15
long time no blog
I see that it has been months since I wrote anything here.  I wondered why I had no energy.  Then one day I was in terrible pain, and ended up having a lithotripsy.  They broke up a 10 mm. kidney stone with sonar waves.  I told the surgeon I was an amateur mineralogist and he assured me that stones forming in the urinary tract aren't silica based.  However, I was informed by a visitor to my website that I had made an error identifying a mineral specimen I had gotten in trade.  I called it a thunderegg because that's what I always called solid "geodes".  Apparently thundereggs are formed in volcanic areas, technically speaking.  It was a yellowish mineral that if I had soaked it in oxalic acid might have turned to calcium oxalate.  Which was the chemical composition of my kidney stone.  Everything comes around in a circle.

Posted by oh5/ojhoff at 5:21 PM CDT
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