Geodes are beautiful and unique geological formations that can be found all over the world. They are hollow rocks that are lined with crystals, and they come in a variety of shapes, sizes, and colors. Geodes are often found in sedimentary rocks, such as limestone and sandstone, and they are formed when minerals crystallize inside a void in the rock. Geodes can be found in a variety of environments, including deserts, beaches, and mountains.
Geodes are prized by collectors and are often used in jewelry and other decorative objects. They are also popular with geologists and other scientists, who study them to learn more about the geological history of an area. Geodes can also be used to teach children about geology and the natural world.