Mineral Monday: Babingtonite in North Carolina Babingtonite (Ca2Fe2+Fe3+Si5O14(OH) ), an inosilicate, is present as mm-scale crystals lining a fracture from the Caldwell Quarry in Lenoir, NC. By Chris Tacker, NC State Museum #MSACommunications #MineralMonday #mineral #babingtonite #northcarolina