Hi Greg and List, Great question Greg. I'm curious to hear what the experts have to say.
Some OC's start out as white or light-grey - like some LL6 types. That is why some LL6 meteorites are mistaken for lunars or eucrites - because they lack chondrules and have that whitish color. Best regards, MikeG ---------------------------------------------------------------------- Mike Gilmer - Galactic Stone & Ironworks Meteorites Website - http://www.galactic-stone.com Facebook - http://www.facebook.com/galacticstone News Feed - http://www.galactic-stone.com/rss/126516 Twitter - http://twitter.com/galacticstone EOM - http://www.encyclopedia-of-meteorites.com/collection.aspx?id=1564 ----------------------------------------------------------------------- On 3/30/11, Thunder Stone <[email protected]> wrote: > > Hi List: > I hope everyone is well. > I have a question regarding the 'color' of OC's through staining by some > mineral influx or by oxidation. It appears most fresh OC's start out as a > light beige or tan color; then through time the metal rusts and they often > turn yellowish, orange, or brownish - this make sense. My questions is > this: > What other colors can they become, blue or green? What element(s) result in > different colors? What different weathering processes are involved? > The reason I ask is because I have a weathered meteorite that is dark green > in color; it looks like jade and I have not seen any like this one before. > I have also and seen OC's with a 'black' color, what causes that? > Thanks, > Greg S. > ______________________________________________ > Visit the Archives at > http://www.meteoritecentral.com/mailing-list-archives.html > Meteorite-list mailing list > [email protected] > http://six.pairlist.net/mailman/listinfo/meteorite-list > -- ______________________________________________ Visit the Archives at http://www.meteoritecentral.com/mailing-list-archives.html Meteorite-list mailing list [email protected] http://six.pairlist.net/mailman/listinfo/meteorite-list
