Check the listing for details. Phosphorescent Bluish-White fluorescent mineral rock S89. Condition: Used. Listed at 14.99 USD. UV Photos #1 through 5 are shown in Longwave, while Photos # 6 and 7 are Midwave, and Photo # 8 is Shortwave UV. Best as a Longwave rock with a quality filtered Longwave UV flashlight. The phosphorescence is shown in the last UV photo, after a longwave light was held against the rock and quickly swiped away.