Geology Kits & Minerals

Grab your mini chisel and unleash your inner surplus archaeologist! With this Geoworld Fossil Replica Dig & Discover Kit you can dig up a marine reptile, a shark tooth, a velociraptor claw, and more—without needing a time machine or permission...

Pop one of these roughly 1-1/4" dia stones into the toe of a sock, smash it with a hammer, and be the first person ever to see your real-as-Nature-makes-it geode!! Ninety percent of them have the familiar beautiful white crystals inside. Formed by...

Pop one of these roughly 1-1/4" dia stones into the toe of a sock, smash it with a hammer, and be the first person ever to see your real-as-Nature-makes-it geode!! Ninety percent of them have the familiar beautiful white crystals inside. Formed by...

Tumblin' tumblin' tumblin', keep them rocks a tumblin'. The #300 4-Step Grit Pack is available for when your grit has run low, and includes 4oz. coarse, 4oz fine, 2oz. prepolish and 2oz polish grits.