4025 Siderite, Calcite, Hematite, South Pit, Savage River Mine, Tasmania December 14, 2021 Steve Australasia Australia Tasmania Collected 5/2005. A single calcite crystal on lustrous siderite. Width of view 5mm. Stack of 40 images. Click on the image below for a higher resolution version.
Rhondda Cynon Taf United Kingdom Wales 2006 JL2006 Siderite, Chalcopyrite, Elaterite, Albion Mine, Cilfynnydd, Pontypridd, Rhondda Cynon Taf, Wales, UK October 15, 2019
Asia Indonesia 10081 Grape Agate, Calcite, Mamuju area, Sulawesi Barat Province, Sulawesi, Indonesia October 18, 2019
Argentina South America 5293 Hematite, Pay£n volcano, Altiplano de Pay£n Matru, Mendoza, Argentina (pseudo after magnetite) September 29, 2019
Australasia Australia Tasmania 1443 Nontronite, Siderite, Boral Quarry, Bridgewater, Tasmania September 22, 2019