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To: kinkblot who wrote (42)	4/6/2003 6:38:35 PM
From: John Finley	Read Replies (1) \| Respond to of 75

In my previous life I worked in a building that housed a nuclear reactor. One of our physics professors did some work with neutron irradiation of gemstones. I guess the neutrons induced dislocations that resulted in color centers. You could tweak the color by annealing the gems (and reordering the crystal). I guess the commercial folks didn't want the color to change if you got caught in a house fire <g>. Re: materials processing for fashion applications Have you seen dicroic glass? Check the sculpture at the bottom of: montagnestudio.com JF