Speleothems - Dogtooth Spar
Spear-shaped crystals of calcite called dogtooth spar frequently line small pockets in the limestone rock. These crystals are a prominent feature of other caves in the Black Hills, most notably, Jewel Cave of Jewel Cave National Monument.
Did You Know?
Wind Cave is one of the longest caves in the world and has an amazing amount of a rare cave formation called boxwork. More...