30088 Pyrite, Marcasite, Calcite, Nanisivik Mine, Nanisivik, Baffin Island, Canada April 28, 2020 Steve Canada North and Central Americas Pyrite after marcasite, with calcite and a second generation of pyrite. The calcite is fluorescent pink under longwave UV. Video best viewed full screen.
Australasia Australia Tasmania 4299 Calcite, Fieldwicks Quarry, Lottah Road, Weldborough Pass, Tasmania October 4, 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
Australasia Australia Victoria 0479 Calcite, David Mitchell Quarry, Lilydale, Victoria September 19, 2019
Asia China ncat VHD15, Scheelite, Quartz, Calcite, Done Shan Tungsten Mine, Chen Zhou, Hunan Province, China November 17, 2019