Calcite, Fluorite and Sphalerite- Rosiclare, Illinois


This is a mixed specimen containing calcite, fluorite, sphalerite and likely other minerals.  It was self-collected in 2015 at the tailings pile, Rosiclare Lead and Fluorspar Mining Co., Rosiclare, Illinois.  This piece shows a similar fluorescent response under SW, MW and LW UV- the fluorite is yellow, calcite pink/orange and also blue/white, and sphalerite mustard yellow/orange.  There is also an unknown mineral that shows a blue phosphorescent response following exposure to SW UV.  74.9 x 45.4 x 38.6 mm, 176 gms.


Please reload

Recent GlowNotes Posts

Please reload

Visit the GlowNotes Blog to view more - educational posts, equipment, minerals, photography and displays

Related Posts:

Please reload

Email comments or suggestions:


RSS Feed
  • reddit
  • Facebook Social Icon

Subscribe to our RSS (Real Simple Syndication) feed to get new posts delivered directly to your desktop!

Nature’s Rainbows is a non-commercial web site maintained entirely by volunteer hobbyists and contributors.  Our mission is to provide information about UV and luminescence, premium fluorescent mineral photos, and a fluorescent mineral database for the enjoyment of FL mineral collectors around the world.  Information on this web site is covered under a Creative Commons License.

Feel free to contact us with comments and suggestions.

Like us on Facebook!