Montana North and Central Americas United States 1005 Spinel, Crazy Sphinx Mine, Helena, Helena Mining District, Lewis and Clark Co., Montana, USA July 19, 2020
Europe Italy 9106 JP2773 Spinel, Augite, Monte Somma, Somma-Vesuvius Complex, Naples Province, Campania, Italy October 11, 2019
New Jersey North and Central Americas United States 1495 Spinel, Sparta, New Jersey, USA September 22, 2019
