ncat OS003 Amethyst, Andilamena Quartz Quarries, Andranotokana Massif, Andilamena, Alaotra-Mangoro, Madagascar May 3, 2023 Steve Africa Madagascar Japan Law Twin 19x15x8mm. Click on the image below for a higher resolution version.
Asia Indonesia 20128 VHD1 Quartz after Barite, Sumbawa Besar, Sumbawa Island, West Nusa Tenggara Province, Indonesia September 30, 2024
Asia China 5076 Calcite, Fluorite, Quartz, Xiefang Mine, Ganzhou, Jiangxi Province, China September 29, 2019
Dumfries & Galloway Scotland United Kingdom 4143 Andradite, Hematite, Quartz, Pargasite, Epidote, Chalcopyrite, Coatsgate Quarry, Beattock, Dumfriesshire, Scotland October 4, 2019