Hello List, Have any of you tried VCI with Brahin, if so how does it work? Thanks, Tom Peregrineflier <>< The proudest member of the IMCA 6168 ----- Original Message ----- From: Sterling K. Webb <[EMAIL PROTECTED]> To: Martin Altmann <[EMAIL PROTECTED]> Cc: <[EMAIL PROTECTED]> Sent: Tuesday, September 30, 2003 5:05 PM Subject: Re: [meteorite-list] Brahin stability
> Hi, Martin, > > I bought a 40 gram slice about two years ago from Koutyrev/finmet, who > advertised that the slicing, etc. was done without any contact with water. (This > was before any "new" method.) Beautiful. I put it in an acrylic display box. > Three weeks later, it was rusty everywhere. I processed it according to Steve > Schoner's method for two weeks, polished it off, baked it in an oven, put it in > another acrylic display box which I sealed thoroughly. Three weeks later, it was > rusty everywhere. > I repeated the chemical treatment, but for a much longer time. The result > was the same, a rusty Brahin, which is now slowly disintegrating. I think it has > another year or two to go before all the iron is gone and I have a box of > expensive olivine crystals. > > > Sterling K. Webb > ------------------------------------------------------------------------ > Martin Altmann wrote: > > > Hi again, > > > > does anyone has experiences with the Brahins from Koutyrev/finmet? > > He praises them to be totally stable for years (you can put in salt > > water..), due to a new method. > > I wonder, how he could know that his method helps, as he uses it obviously > > not longer than a year or so (as far as I observed his auctions). > > > > >From one of Serge's pieces I grinded off (dry) the glue, for testing, what > > will happen. It started immediately to develope rust traces and after 2 > > months, it was so swollen (lawrencite?) that I hid away for not getting hurt > > in a potential explosion. > > > > Martin > > > ______________________________________________ > Meteorite-list mailing list > [EMAIL PROTECTED] > http://www.pairlist.net/mailman/listinfo/meteorite-list > ______________________________________________ Meteorite-list mailing list [EMAIL PROTECTED] http://www.pairlist.net/mailman/listinfo/meteorite-list
