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Marble Tiling + Bluray = Awesome :)






daguin

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geert01 said:
I just got my Pocket mini from Jayrob (thanks again mate) http://www.laserpointerforums.com/forums/YaBB.pl?num=1226875831
And when i accidentaly came acros our floor the laser dot left a tail that slowly went away (in about 1 second) I never guessed that marble tiling had fluorescent capabilities :)
Anyone else ever came across that kind of phenomenon?
Best regards,
Geert

Many "granites" (marble is a granite), have fluorescent and/or phosphorescent components in them. This is true for both limestone granites and granitic pegmatites. The "trail" you are seeing is called phosphorescence, not fluorescence.

Peace,
dave
 




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