Africa Tanzania ncat JP3703 Quartz (Amethyst) with inclusions, Umba River (Umba Valley), Tanga Region, Tanzania October 8, 2019
Australasia Australia Tasmania 3098 Quartz (Smoky and Amethyst), Trial Harbour, Tasmania October 3, 2019
Mexico North and Central Americas 10073 Amethyst, Rhodochrosite, Pyrite, Santa Eulalia District, Mun. de Aquiles Serdan, Chihuahua, Mexico October 5, 2019
