ncat JP654, Calcite, Oskaloosa, Mahaska Co., Iowa, USA September 23, 2019 Steve Iowa North and Central Americas United States
Arizona North and Central Americas United States ncat JL0275 Dioptase, Calcite, Christmas Mine, Gila Co., Arizona, USA October 15, 2019
Australasia Australia New South Wales 1875 Aragonite on Calcite, Kyogle, New South Wales September 22, 2019