20019 Quartz, Holland Mine, Duquesne Gulch, Nash Mines group (Duquesne-Washington group), Washington Camp-Duquesne District, Patagonia District, Patagonia Mts, Santa Cruz Co., Arizona, USA October 5, 2019 Steve Arizona North and Central Americas United States Multiple Japan-Law twins. Ex Marylin Dodge Collection. See http://www.irocks.com/minerals/specimen/3973
Africa South Africa 4476 Clinochlore, Quartz, Slipfontein Mine, near Leeupoort, Northern Province, South Africa October 5, 2019
Brazil South America 2450 Macfallite, Braunite, Quartz, Arthur Costa Mine, Jaguaragu, Minas Gerais, Brazil September 22, 2019
Africa Tanzania ncat JP3703 Quartz (Amethyst) with inclusions, Umba River (Umba Valley), Tanga Region, Tanzania October 8, 2019