5579 SAMARSKITE-(Y), Hidden Valley Mine, South Platte Pegmatite District, Jefferson County, Colorado, U.S.A. September 28, 2019 Steve Colorado North & Central Americas United States Source M.Richards, 2005
Arizona North & Central Americas United States 3822 AZURITE, New Cornelia Mine, Ajo, Little Ajo Mountains, Pima County, Arizona, U.S.A. September 28, 2019
Canada North & Central Americas 2513 HOWLITE, ANHYDRITE, Bras D’Or Lake Howlite Locality, Iona, Victoria County, Nova Scotia, Canada September 28, 2019
Argentina South America 5628 EZCURRITE, Tincalayu Mine, Salar Del Hombre Muerto, Salta Province, Argentina September 28, 2019
