Gary Hansen mined these amazingly sculptural "sand calcites" (calcites heavily included with desert sand) in South Dakota in the 1960s - and they have not been seen since. Though we have featured some really nice ones, this one is in a class by itself due to its prodigious size - making it truly look like an expensive piece of modern art - only NATURAL! Like the others, it is a floater, so there are no ugly areas, and you can display it from almost any direction with great visual impact!
Attribution: Rob Lavinsky, iRocks.com – CC-BY-SA-3.0
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|Description=
{{en|1=Calcite
:: Locality: Rattlesnake Butte, Jackson County, South Dakota, USA ([http://www.mindat.org/loc-11576.html Locality at mindat.org])
:: Size: 15.7