Northstar Halo (EXP43) - Odd UV Reactive Odd Quality Standard Rod Halo Uv Reactive

Experimental #43 Halo is UV reactive orange glass. This glass is clear in natural light, yet fluoresces a golden orange under a UV light source. For best results, use a 365nm-395nm LED flashlight. Orange UV color may lighten when worked for a prolonged period. This glass does contain uranium.