Awesome rare earth mineral collection Note: Bismuth is manmade but still intriguing to look at.
Fluorite - Minerva Mine, Hardin Co., Illinois, USA.
Blue Aqua Aura Crystal Quartz Cluster ~ CZ61201 Más More
Geode with pink crystals - how to hunt for geodes.
Minerals and stones
Check out our 'How to choose a gemstone' infographic
Gemstone Match Up
Diamond, The Birthstone of April Infographic