[meteorite-list] portales etch- a strange thing happened 2-day
From: harlan trammell <skyrox_at_meteoritecentral.com>
Date: Thu Apr 22 10:01:33 2004 Message-ID: <F134xHnYHraK2yR0F3p0001ca68_at_hotmail.com> <html><div style='background-color:'><DIV>while vigorously hand-sanding a portales metal slice w/ #600 paper, a strange thing began to occur. upon several passes over clean dry paper, i looked to see if i had gotten rid of the old finish and a widmanstatten pattern appeared! no acid- bare hands, dry. i tried it again wet and it happened again. i noticed that the filings were actually follwing and sticking to the crystal lines. theses filings further accentuated the pattern, but could be wiped off and the pattern was less visible then. but the pattern was infact still "etched" there in the newly SANDED finish even after alcohol wipe. any ideas or other encounters of this?</DIV></div><br clear=all><hr>Chat with friends online, try MSN Messenger: <a href='http://g.msn.com/1HM505401/43'>Click Here</a><br></html> Received on Thu 13 Jun 2002 03:19:49 PM PDT |
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