Colorado North and Central Americas United States ncat OW307 Rhodochrosite, Quartz, Tetrahedrite, Pyrite, Corner Pocket, Watercourse Rise, Watercourse Extension Drift, Sweet Home Mine, Alma District, Park Co., Colorado, USA May 26, 2023
Canada North and Central Americas 2204 Quartz, Calcite, Dolomite, Pyrite, Poudrette Quarry, Mont St Hilaire, Quebec, Montreal, Canada September 22, 2019
Arkansas North and Central Americas United States 5807 A2983 672marps Fluorite, Siderite, Pyrite, K Feldspar, Albite, Granite Mountain Quarry #1, Granite Mountain Area, Little Rock, Pulaski County, Arkansas, USA January 28, 2023
Czech Republic Europe 3500 Heyrovskyite, Cosalite, Pyrite, Sphalerite, Quartz, Hurky, Czech Republic October 3, 2019