I have found if you tumble one at a time using walnut shells, not grit, and keep an eye on them you don't end up with anything shiny, or with rounded corners, unless they started out that way. Corrosion inhibitor is a good idea as well.
Regards, Jeanne -----Original Message----- From: Bill Mason <[EMAIL PROTECTED]> To: 'MuseumStore/NatureSource' <[EMAIL PROTECTED]>; 'Tom aka James Knudson' <[EMAIL PROTECTED]>; 'meteorite-list' <[EMAIL PROTECTED]> Date: Tuesday, June 17, 2003 2:46 PM Subject: RE: [meteorite-list] Tumbled meteorites? >Dear Museum store and meteorite collectors, > If you like the look of shiny metal chunks with rounded corners >this is great, But when they are done suggest you use some Vapor Phase >Corrosion Inhibitor to prevent rust. Some other person wanted to use >water,(gnaw!) tumble dry. Sieve and use air to blow away rust dust. I >can help with the VpCI > Bill Mason [EMAIL PROTECTED] > > > >-----Original Message----- >From: [EMAIL PROTECTED] >[mailto:[EMAIL PROTECTED] On Behalf Of >MuseumStore/NatureSource >Sent: Tuesday, June 17, 2003 2:00 PM >To: Tom aka James Knudson; meteorite-list >Subject: Re: [meteorite-list] Tumbled meteorites? > >I have used ground walnut shells with good success for removing rust. >You >may have to go in and remove rust by hand from deep places, but the >walnut >shells are great for removing the bulk of it. I bought a bunch in >Tucson >one year. The only thing you'll need to watch is how many you tumble at >one >time, because the meteorites will collide with each other in the >tumbler. >If you are not pressed for time, just do one or two at a time. Good >luck. > >Jeannie Devon > > >-----Original Message----- >From: Tom aka James Knudson <[EMAIL PROTECTED]> >To: meteorite-list <[EMAIL PROTECTED]> >Date: Tuesday, June 17, 2003 10:31 AM >Subject: [meteorite-list] Tumbled meteorites? > > >>Hello List, I was thinking about trying to through a NWA 869 or a GB >into >my >>rock tumbler. I do not think putting a meteorite in water for weeks is >a >>good idea. Is there a liquid other than water that can be safely used >in a >>tumbler? Has any one on the list done this before, if so how does it >turn >>out? >>Thanks, Tom >>The proudest member of the IMCA 6168 >> >> >> >>______________________________________________ >>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 > > > >______________________________________________ >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
