A blog of the photographs of Michael Popp who resides in an area around Louisville, Kentucky, USA. Click on the pictures to make them larger.
Monday, May 16, 2011
Fluorescent Fluorite from Rogerly Mine, England
The Rogerly Mine of England produces amazing UV fluorescent fluorite. It is normal a green fluorite in visible light but take it outside in bright sunlight and it starts turning blue. Longwave ultraviolet (UV) light turns this fluorite blue/purple.
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