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Derby Chert, Perry County, Indiana
Waxy to vitreous in luster and texture, non fossiliferous, medium-light grey to medium dark grey in color occasionally with white or dark grey bands.
Similar to Holland and Haney cherts.
photo courtesy of Michael Cole
Waxy to vitreous in luster and texture, non fossiliferous, medium-light grey to medium dark grey in color occasionally with white or dark grey bands.
Similar to Holland and Haney cherts.
photo courtesy of Michael Cole