Showing posts with label england. Show all posts
Showing posts with label england. Show all posts

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.

Monday, December 6, 2010

Fluorescent Green Fluorite

Green fluorite from England that turns purple when exposed to ultraviolet light (254 nm).