Minnesota rocks and minerals

All of these Great Lakes rocks and fossils are full of history and beauty can all be found on our regional coastline! From patiently searching for a Lake

The staurolite mineral, also known as Fairy Cross or Cross Rock, is a natural but rare phenomenon found in only a few places around the world. About five U.S. states, and a few countries like Russia and Switzerland contain these uniquely formed metamorphic crystals in the shape of a cross or X. Little Falls, Minnesota […]

Minnesota is one of the best states in the U.S. for rockhounding, mostly thanks to the widespread distribution and high quality of its agates. Rockhounds flock to Minnesota from all over the world to search for the Lake Superior Agates for which the state is famous. These beautiful rocks can be found in localities across …

Every rockhound loves a good geode, and the best are those we’ve gathered ourselves. While it can be tempting to start busting every rock you find with a rock pick, you can usually tell before you attack. Geodes are a specific formation and can usually be identified by their round shape and bumpy texture. These reliable indicators don’t tell the whole story, however. So, let’s go a bit further and give you an overview of how to tell if a rock is a geode.

An overview of the specific geology for each of the 50 U.S. States, official state geologic maps, and links to additional resources.

Attention all rockhounds and gem enthusiasts! 🌲⛏️ Get ready to explore the wonders of Minnesota's rockhounding scene. Discover 33 hidden gem sites scattered across the state, where you can unearth stunning agates, sparkling quartz, and other precious minerals. Don't miss out on this incredible rockhounding experience in Minnesota! Tap to learn more. 🔍✨🔬 Credit: @koroit.opal.company

Here is the list of the best rock and mineral identification apps that will help you identify the most common rocks on earth.