Sand calcite from Rattlesnake Butte, South Dakota. This is an old stock specimen, as collecting has been restricted due to the area being named a National Natural Landmark (NNL). #oldstock #crystalspecimens #calcite #sandcalcite #rattlesnakebutte #southdakota #usa
January 23, 2025 at 4:23 PM
Sand calcite from Rattlesnake Butte, South Dakota. This is an old stock specimen, as collecting has been restricted due to the area being named a National Natural Landmark (NNL). #oldstock #crystalspecimens #calcite #sandcalcite #rattlesnakebutte #southdakota #usa