Re: [meteorite-list] Mineral responsible for green color in Moldavite?

2010-12-10 Thread Chris Spratt
I think it may be a form of Beryilium or Beryl. Chris. Spratt Victoria, BC __ Visit the Archives at http://www.meteoritecentral.com/mailing-list-archives.html Meteorite-list mailing list Meteorite-list@meteoritecentral.com

Re: [meteorite-list] Mineral responsible for green color in Moldavite?

2010-12-10 Thread MEM
: [meteorite-list] Mineral responsible for green color in Moldavite? I think it may be a form of Beryilium or Beryl. Chris. Spratt Victoria, BC __ Visit the Archives at http://www.meteoritecentral.com/mailing-list-archives.html Meteorite-list mailing

Re: [meteorite-list] Mineral responsible for green color in Moldavite?

2010-12-10 Thread Chris Spratt
I sit, corrected. Chris Spratt (Via my iPhone) __ Visit the Archives at http://www.meteoritecentral.com/mailing-list-archives.html Meteorite-list mailing list Meteorite-list@meteoritecentral.com http://six.pairlist.net/mailman/listinfo/meteorite-list

[meteorite-list] Mineral responsible for green color in Moldavite?

2010-12-10 Thread bernd . pauli
Hello Chris, Elton and List, A decreasing silica content seems to correlate with a gradual change of color from yellow over green towards brown: LDG - almost pure silica = 98% - yellowish or pale green Moldavites = 78-85% - (light) bottle green Average value of 25 bediasites = 71.89-81.31 -

Re: [meteorite-list] Mineral responsible for green color in Moldavite?

2010-12-10 Thread Piper R.W. Hollier
Dear Mike, Chris, Elton, Bernd, and list, At 05:09 10-12-10, MikeG wrote: Can someone please tell me which mineral constituent gives Moldavite it's green coloration? Is it iron? There is some useful info about moldavite colors on p. 10 of this 20-page document: Milan Trnka and Stanislav

[meteorite-list] Mineral responsible for green color in Moldavite?

2010-12-09 Thread Michael Gilmer
Hi List, Can someone please tell me which mineral constituent gives Moldavite it's green coloration? Is it iron? Best regards, MikeG -- -- Mike Gilmer - Galactic Stone Ironworks Meteorites Website -