There are some valuable minerals and ores that are largely overlooked by the recreational prospector. Dozens of these flouresce under ultraviolet light. Scheelite is a very high grade ore of tungsten and fluoresces blue-white as seen below Scheelite is found in many environments including granitic or intrusive rocks near margins or contacts, sedimentary rocks, replacement deposits and quartz veins. Scheelite is often associated with garnet, epidote, diopside, gold, topaz, mol