Fluorite - Under UV and Visible Light
3:29
Hackmanite's Remarkable Color Changes
7:14
Tungsten - The Element, Its Ores, Properties and Uses
9:32
Top 7 Rock Cuts of the Week! Cloud Banded Wonderstone, Stunning Moss Agate, Brecciated Jasper, More
2:14
Glowing Rocks -- Colorful and Beautiful Fluorescent Minerals
3:05
Remarkably Fluorescent Rocks
3:07
Radioactivity of Uranium Ore vs Uranium Metal, Fiestaware, and Uranium Glass
4:46
Gadolinium -- Magnetic Properties Near the Curie Temperature
4:16