are we going iridescent?
Iridescent? Why, don't you know Europium doped strontium when you see it? http://en.wikipedia.org/wiki/Strontium_aluminate
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are we going iridescent?
Iridescent? Why, don't you know Europium doped strontium when you see it?
http://en.wikipedia.org/wiki/Strontium_aluminate
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