[meteorite-list] Campo crystals

Hi Folks, Can anyone explain to me the process used to make so-called Campo del Cielo 'crystals'? The usual explanation, that they are made by shattering larger pieces than have been supercooled with liquid nitrogen, does not convince me. If that were the case I would expect more geometric forms w

[meteorite-list] Campo crystals

Hi Kieron and List, There is an article by Roland Dietrich & Stefan König in "Meteorite!" (February 1997, pp. 28-29) about the "Gibeon Iron Meteorite in Perfect Crystals". Maybe their article can explain (some of) your observations! Best wishes, Bernd __

[meteorite-list] Campo Crystals

Hi All, I suspect that the smoothed/melted look on Campo crystals is created in a rock tumbler. After the mass has been reduced to fragments each individual should be extremely sharp; I expect they get tumbled, perhaps with ball bearings, to round off the points and sharp edges and make them safe

Re: [meteorite-list] Campo crystals

Hi Kieron and List, Good question. I'm curious as well about why some of the pieces look "molten". Best regards, MikeG -- - Web - http://www.galactic-stone.com Facebook - http://www.facebook.com/galacticstone Twitter - http://twitte

Re: [meteorite-list] Campo crystals

: [meteorite-list] Campo crystals Hi Folks, Can anyone explain to me the process used to make so-called Campo del Cielo 'crystals'? The usual explanation, that they are made by shattering larger pieces than have been supercooled with liquid nitrogen, does not convince me. If that were the ca

Re: [meteorite-list] Campo crystals

fuzzf...@comcast.net] Sent: 22 November 2012 16:36 To: 'Kieron Heard'; 'Meteorite-List' Subject: RE: [meteorite-list] Campo crystals A couple years ago we spoke to a vendor from South America at Electric Park (Tucson show) who had Campos for sale. We noticed that he was selling Campos th