Maryland North and Central Americas United States ncat RAM4 CW62 4841 Vivianite, Wheeler Road, Oxon Hill, Prince Georges County, Maryland, USA September 27, 2024
Nevada North and Central Americas United States 5336 Nissonite, Boss Mine, Shenandoah Peak, Goodsprings District, Clark Co., Nevada September 29, 2019
Australasia Australia Queensland ncat RAM4 Calcite, Siderite, Biggenden Mine, Mount Biggenden, North Burnett Region, Queensland December 29, 2023
