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.
Australasia Australia Tasmania 3368 Dolomite, Quartz, Chalcopyrite, Chamosite, Prince Lyell Mine, Queenstown, Tasmania October 3, 2019
Australasia Australia South Australia 7414 JL3961 Chalcopyrite, Bayldonite, Quartz, Mount Malvern Mine, Chandlers Hill, South Mt Lofty Ranges (Adelaide Hills), Mt Lofty Ranges, South Australia July 19, 2021
Asia China 3928 Quartz with Graphite inclusions, Tonren, Guizhou, Sichuan Province, China October 3, 2019