20072 Arsenopyrite, Bavenite, Siderite, Mt Cleveland Mine, Luina, Heazlewood district, Waratah-Wynyard municipality, Tasmania March 26, 2021 Steve Australasia Australia Tasmania Interesting arsenopyrite with siderite(?) on a quartz matrix. There are also prismatic bavenite crystals amongst the carbonate blades (not evident in photo). Specimen is 38mm wide. Click on the image below for a higher resolution version.
Australasia Australia Victoria 7249 JL1272 Siderite, Montmorillonite, Fyansford, Victoria December 12, 2020
New Hampshire North and Central Americas United States 4529 Siderite, Palermo #1 Mine, North Groton, Grafton Co., New Hampshire, USA October 5, 2019