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Calcite
Calcite rhombohedrons with iridescent coating topped by a later generation of colorless calcite, 12.5 cm, from the IMI quarry, Madison County, Indiana (INSM 71.4.667). Ex Vern L. Swanson collection. Photo by Steve Happe.
Product details
Species
SizeCabinet
Dimensions12.5 cm
Locality
Publications
- Mineralogical Record Mineral Collections In American Midwest page 110
Added on02/13/2026
Comments
Known provenance
Species and Locality Wiki Pages
Collectors of Calcite from Madison County
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