5624 Siderite, Jones Mill Quarry (Martin Marietta Quarry; Highway 51 Quarry; Mid-State Quarry), Magnet Cove, Hot Spring Co., Arkansas, USA October 5, 2019 Steve Arkansas North and Central Americas United States Rod Martin
Australasia Australia South Australia ncat JP656 Barite, Siderite, Pyrolusite, Martins Well, South Flinders Ranges, Flinders Ranges, South Australia September 23, 2019
Australasia Australia Tasmania ncat VHD7, Fluorite, Siderite, Mount Bischoff, Waratah, Tasmania November 17, 2019
Australasia Australia New South Wales 4441 Siderite (Manganoan), Woy Woy, New South Wales October 5, 2019
