Check the listing for details. Blue White Fluorescent mineral rock Flash Phosphorescent T13. Condition: Used. Listed at 12.99 USD. It is fluorescent in all wavelengths from short to long, but is best in LONGWAVE UV with an excellent 365nm flashlight. The short flash phosphorescence shows best in longwave as well (Not shown). Photos # 2 through 5 and # 9 are in Longwave UV, while Photos # 8 and 11 are in Shortwave and Photos # 6, 7, and 10 are in Midwave UV.

$9.09
$12.99