4688 ARMSTRONGITE, Khan-Bogdo Massif, Central Gobi Desert, Mongolia September 28, 2019 Steve Asia Mongolia Source R.Coulsell, 1999
Europe Switzerland 5196 TILASITE, Falotta Mine, Tinizong, Oberhalbstein, Albula Valley, Grischun, Switzerland September 28, 2019
Missouri North & Central Americas United States 1779 CALCITE, Sweetwater Mine, Ellington, Reynolds County, Missouri, U.S.A. September 28, 2019
Europe Germany 6214 HECHTSBERGITE, Hechtsberg Quarry, Hausach, Baden-Wurttemberg, Germany September 28, 2019
Australasia Australia South Australia 2864 CHALCOPYRITE, Wallaroo Mine, Kadina, South Aust., Australia September 28, 2019
