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Calcite Var Sand-Calcite

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CLB183801

Calcite Var Sand-Calcite

Classic Locality

Description Tabs

Description
Locality: 
Rattlesnake Butte, Jackson County, South Dakota, United States of America
Class: 
Crystal Group/Cluster
Size Range: 
Miniature (4.5-7 cm)
Size: 
6.1 × 6 × 2.7 cm
Largest Crystal: 
6.10cm
Description

Very attractive cluster of double-terminated sandcalcite crystals up to 6.1 cm. Only a few contact zones. No other damage. I think I see some grains of green garnet embedded in the sand-calcite-mix. The site is a National Natural Landmark (NNL) today. Collecting is strictly forbidden.

Mineral Data
What's on the rock

Calcite

Polymorph of: 
Formula: 
CaCO3
Strunz: 
5.AB.05
Crystal System: 
Trigonal
Hardness: 
3.0
Streak: 
White

Sand-Calcite

Variety Of: 

Calcite

Formula: 
CaCO3
Strunz: 
5.AB.05
Hardness: 
3.0
Hardness: 
0.0

Seller Information

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