Fluorite, May Stone Quarry, Ft. Wayne, Indiana

Large plate of water-clear, honey-colored fluorite crystals on a light grey limestone matrix. From the May Stone and Sand Quarry in Ft. Wayne, Indiana. As seen in the photo below, the fluorite shows a beautiful pastel violet response under long wave UV. The limestone matrix is also fluorescent under UV. The size of this specimen is 15 x 10 x 6 cm, and it weighs 705 grams.

The above image was taken under long wave UV (365nm).

Same specimen seen under visible light.

17 views0 comments

Email comments or suggestions:


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!

  • reddit
  • Facebook Social Icon

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