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”
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