Check the listing for details. JH30208 Large Peach Sphalerite, Horn Silver Mine, UT. Listed at 100.00 USD. The sphalerite consists of small grains that fluoresce Peach, Orange and White under LW UV. The Sphalerite is Phosphorescent in White and Triboluminescent in Orange. Location: Horn Silver Mine, Frisco, Beaver, UT, USA.