0971 CYANOTRICHITE, Grandview Mine, Grand Canyon, Coconino County, Arizona, U.S.A. September 28, 2019 Steve Arizona North & Central Americas United States Source C.Kovac, 2003
Iowa North & Central Americas United States 3321 MILLERITE, Kaser Quarry, Ollie, Keokak County, Iowa, U.S.A. September 28, 2019
Mexico North & Central Americas 3298 ACANTHITE, San Juan de Rayas Mine, Mun. de Guanajuato, Guanajuato, Mexico September 28, 2019
Nevada North & Central Americas United States 0108 CORDEROITE, CHALCEDONY, McDermitt Mine, Opalite District, Humboldt County, Nevada, U.S.A. September 28, 2019
Australasia Australia Tasmania 0052 GEARKSUTITE, QUARTZ, COULSELLITE, Mt. Cleveland Mine, Luina, Tasmania, Australia September 28, 2019