MT60AF1: Sand after Calcite - Rattlesnake Butte, South Dakota USA
Sand after Calcite

Rattlesnake Butte, Jackson County, South Dakota  USA (± 1990)

Specimen size: 10.9 × 4.9 × 4.7 cm = 4.3” × 1.9” × 1.9”
Main crystal size: 9 × 3.3 cm = 3.5” × 1.3”

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