[meteorite-list] Wabar Pearls or Beads
From: Bernd Pauli HD <bernd.pauli_at_meteoritecentral.com>
Date: Thu Apr 22 10:08:32 2004 Message-ID: <3D934330.EC93EC98_at_lehrer.uni-karlsruhe.de> Anne wrote: > I got a few more at the Denver Show, mostly "odd-shaped" ones, > often meaning that they are chipped or broken. I have been > looking at the broken ones and was rather surprised. I was > expecting them to be glassy all the way through like Libyan > Glass or Moldavite, but that is not the case at all. I found > that they are composed of a glassy outer shell packed with > tiny black grains of sand (I suppose) tightly packed and > glued together. It looks as if the vitrification process was > incomplete, only the outer layer turned to glass. > Any comments? No, not (yet). Are there any pictures you could put up on your website. I would very much like to see those tiny black grains of sand that are so tightly packed and glued together as you state. They m a y (speculation only so far!) represent highly * d e- * vitrified impactite melt beads. Best regards, Bernd Received on Thu 26 Sep 2002 01:26:08 PM PDT |
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