Asia Indonesia 20128 VHD1 Quartz after Barite, Sumbawa Besar, Sumbawa Island, West Nusa Tenggara Province, Indonesia September 30, 2024
Africa Tanzania ncat JP3703 Quartz (Amethyst) with inclusions, Umba River (Umba Valley), Tanga Region, Tanzania October 8, 2019
Kentucky North and Central Americas United States 0988 Millerite on Quartz, Halls Gap, Kentucky, USA September 20, 2019
