0428 QUARTZ var. Smoky, Cavardi Gorge, St. Gotthard, Ticino, Switzerland September 28, 2019 Steve Europe Switzerland Source K.Davy, 1985
Canada North & Central Americas 0639 GORCEIXITE, SIDERITE, Rapid Creek, Dawson Mining District, Yukon, Canada September 28, 2019
Mexico North & Central Americas 0166 SPHALERITE, GALENA, Naica, Mun. de Saucillo, Chihuahua, Mexico September 28, 2019
North & Central Americas South Dakota United States 0399 JAHNSITE-(CaMnMg), MESSELITE, Tip Top Mine, Fourmile, Custer District, Custer County, South Dakota, U.S.A. September 28, 2019
