• Wind Cave National Park - Two Worlds

    Wind Cave

    National Park South Dakota

Speleothems - Dogtooth Spar

Dogtooth Spar
Dogtooth Spar
NPS Photo by Jason Walz
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.

More Speleothems:
Boxwork | Calcite Rafts | Cave Popcorn |
Flowstone/Dripstone | Frostwork |
Gypsum Features | Helictite Bushes

Click here to see a program about the formations of Wind Cave

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