unique calcite formations jewel cave national monument called nailhead spar that cover the |
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| Unique calcite formations in Jewel Cave National Monument called "nailhead spar" that cover the cave. |
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![Unique calcite formations in Jewel Cave National Monument called \](https://thumbs.dreamstime.com/m/unique-calcite-formations-jewel-cave-national-monument-called-nailhead-spar-cover-like-texture-305915264.jpg "Unique calcite formations in Jewel Cave National Monument called \")
![Unique calcite formations in Jewel Cave National Monument called \](https://thumbs.dreamstime.com/m/unique-calcite-formations-jewel-cave-national-monument-called-nailhead-spar-cover-like-texture-305915365.jpg "Unique calcite formations in Jewel Cave National Monument called \")
![Unique calcite formations in Jewel Cave National Monument called \](https://thumbs.dreamstime.com/m/unique-calcite-formations-jewel-cave-national-monument-called-nailhead-spar-cover-like-texture-305915291.jpg "Unique calcite formations in Jewel Cave National Monument called \")
![Unique calcite formations in Jewel Cave National Monument called \](https://thumbs.dreamstime.com/m/unique-calcite-formations-jewel-cave-national-monument-called-nailhead-spar-cover-like-texture-305915319.jpg "Unique calcite formations in Jewel Cave National Monument called \")
