Check the listing for details. Shortwave & Longwave UV Fluorescent Ulexite from Boron Open Pit Mine CA Minerals. Condition: Used. Listed at 27.99 USD. CG-27-07 Ulexite Shortwave & Longwave UV FluorescentLocality: Boron Open Pit Mine, California, USAWeight: 7.6 ozs.Measures Approximately: 3.3" x 2.3" x 1" The First Fluorescent Pic Shows Shortwave (SW) UV Fluorescent Response & Were Taken Using a 35w WayTooCool SW Light, The Next Shows Longwave UV Fluorescent Response Using a Convoy C8+ 365nm LED LW Flashlight. Fluorescent Response Will Vary Based on the Strength of Light Used, but Any Decent Light of the Proper Wavelength(s) Will Produce Similar Results. Please Note: You need a Shortwave (SW) and/or Longwave (LW) Ultraviolet (UV) Lamp / Light to see the Fluorescent Colors as Show in the Pictures! This is NOT the same as a Blacklight, although there will likely be some minimal fluorescent response even from a Blacklight. We Will Combine Shipping, Discounting Total Overall Shipping Cost from All Items Won After the Item with the Highest Shipping Cost by 40% for 2-3 Rocks, 50% for 4-8 Rocks & 60% for 9 or More Rocks/Specimens! USA Shipping Only, as International Shipping is via eBay's International Shipping Program Where We are Unable to Modify the Prices. If You Have Any Questions, Please Feel Free to Ask! Track Page Views With Auctiva's Counter