North & Central Americas Pennsylvania United States 4095 STRONTIANITE, CALCITE, Taylor Quarry, Winfield, Union County, Pennsylvania, U.S.A. September 28, 2019
North & Central Americas Ohio United States 3727 STRONTIANITE, Stoneco Quarry, Lime City, Wood County, Ohio, U.S.A. September 28, 2019
Illinois North & Central Americas United States 3728 STRONTIANITE, FLUORITE, Cave-in-Rock Mine, Cave-in-Rock, Hardin County, Illinois, U.S.A. September 28, 2019
Illinois North & Central Americas United States 0693 STRONTIANITE, Denton Mine, Harris Creek Sub-District Sub-District, Hardin County, Illinois, U.S.A. September 28, 2019
Europe Italy 0694 STRONTIANITE, Valla del Casale, Piazza Armerina, Enna Province, Sicily, Italy September 28, 2019
North & Central Americas Pennsylvania United States 0646 STRONTIANITE, CALCITE, Winfield Quarry, Winfield, Union County, Pennsylvania, U.S.A. September 28, 2019