ncat RAM4 Calcite, Siderite, Biggenden Mine, Mount Biggenden, North Burnett Region, Queensland December 29, 2023 Steve Australasia Australia Queensland Multiple generations of calcite with siderite, and some of the calcite fluoresces strongly red. One habit is white “Christmas trees”. Width of view 5.5mm. Stack of 28 images. Click on the image below for a higher resolution version.
United Kingdom Wales 4135 Strontianite, Calcite, Penarth Beach, Cardiff, Glamorgan, Wales October 4, 2019
Canada North and Central Americas 2204 Quartz, Calcite, Dolomite, Pyrite, Poudrette Quarry, Mont St Hilaire, Quebec, Montreal, Canada September 22, 2019
Australasia Australia Tasmania 4178 Galena, Siderite, Pyrite, Sphalerite, Comet Mine, Dundas, Tasmania October 4, 2019
Arkansas North and Central Americas United States 5626 Aegirine, Calcite, Jones Mill Quarry (Martin Marietta Quarry; Highway 51 Quarry; Mid-State Quarry), Magnet Cove, Hot Spring Co., Arkansas, USA October 5, 2019