Check the listing for details. JH26874 Thomsonite and Unknowns, Leza #2 Pit, San Benito, CA. Listed at 25.00 USD. This was collected by Charles Trantham on Oct 30, 1982. The Thomsonite does not fluoresce, but there is an unknown mineral that fluoresces Yellow under all UV wavelengths and is phosphorescent, and another unknown that fluoresces Green.