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 = 4.29” × 1.93” × 1.85”
Main crystal size: 9 × 3.3 cm = 3.54” × 1.30”

specimens/s_imagesAF1/Calcite-MT60AF1r.jpg