Dr. Beniamino Barbieri (of the Fluorescence Foundation) gave a lecture on the history of fluorescence. His slides are reposted here (w/ permission), where they can easily be found by our mineral folks. This was written mostly towards biologic fluorescence, but certainly applies to mineral fluorescence.
What is Tenebrescence?
In the early 1800's geologists noted that some specimens of sodalite from Greenland exhibited a bright pink color on freshly broken...



























