ncat JP3703 Quartz (Amethyst) with inclusions, Umba River (Umba Valley), Tanga Region, Tanzania October 8, 2019 Steve Africa Tanzania
Europe Germany 7124 Eulytine, Quartz, Biotite, Chrysocolla, Hechtsberg quarry, Hausach, Black Forest, Baden-Wurttemberg, Germany October 5, 2019
Australasia Australia Tasmania 1578 Chlorite in Quartz, Philosopher’s Ridge, Gormanston, Tasmania April 2, 2022
Mexico North and Central Americas 6069 Barite, Quartz, Gibraltar Mine, Naica, Mun. de Saucillo, Chihuahua, Mexico October 2, 2019
Australasia Australia Tasmania 3304 Siderite, Quartz, Chalcopyrite, Hematite, Prince Lyell Mine, Queenstown, Tasmania October 3, 2019
