18:11

Cutting Open Beautiful Minerals on 6" Lapidary Saw

13:42

Fluorescent Rocks | Understanding UV Light and Minerals

9:31

Why Scorpions Glow in the Dark

15:16

DarkBeam Vs. UV Beast

27:57

Singularität: endlich gelöst? | Harald Lesch | Terra X Lesch & Co

16:22

Fun rock hunt at Indian Creek SD! Almost missed a Fairburn!

20:10

Cut Placement Breakdown! Deciding How to Cut Your Rocks for the Best Result!

17:06

UV Lights Are NOT Equal (Thrunite, Olight, Nitecore, Fenix, Escolite, Darkbeam, Glossday, & uvBeast)