Image: Fluorescent minerals hg

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Description: Collection of various fluorescent minerals under ultraviolet UV-A, UV-B and UV-C light. Chemicals in the rocks absorb the ultraviolet light and emit visible light of various colors, a process called fluorescence.
Title: Fluorescent minerals hg
Credit: Own work
Author: (Hgrobe 06:16, 26 April 2006 (UTC)) - credit: Hannes Grobe/AWI
Permission: free use, share alike and quote author
Usage Terms: Creative Commons Attribution-Share Alike 2.5
License: CC BY-SA 2.5
License Link: http://creativecommons.org/licenses/by-sa/2.5
Attribution Required?: Yes

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