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Mineral Fluorescence energy transfer mechanism

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geotom
 
Reply Tue 25 Oct, 2005 04:12 pm
Many minerals fluoresce when irradiated with light.
What is the energy transfer mechanism for the transfer say when a mineral is irradiated with a Ultraviolet light of wavelenght 254 nanometers but not if irradiated at 300 nanometers. Is the wavelenght matching a resonant mode in the mineral and is it related to the size of the molecules? Is it like matching impedance in an antenna?
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