Name: Calcite twin
Brand: Indiana State Museum

For sale Recently Added Under $500 Featured

Calcite twin

Calcite twin, 2.5 cm, from the IMI quarry, Madison County, Indiana (INSM 71.4.2912). Ex Vern L. Swanson collection. Indiana State Museum and Historic Sites photo by Steve Happe.

Indiana State Museum

Product details

Species

Calcite

SizeThumbnail

Dimensions2.5 cm

Locality

USA, Indiana, Madison County

Publications

Mineralogical Record Mineral Collections In American Midwest page 112

Added on02/13/2026

Comments

Known provenance

Unknown date

Indiana State Museum

Not disclosed—

Unknown date

Vern L. Swanson

Not disclosed—

Species and Locality Wiki Pages

Calcite

from Madison County

Collectors of Calcite from Madison County

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