30034 Quartz, Stilbite-Ca, Nashik District, Maharashtra, India October 5, 2019 Steve Asia India Hemispheres of quartz (described as chalcedony, but not) with grey stilbite. Click for full sized image…
Australasia Australia South Australia 0223 Chalcopyrite, Calcite, Quartz, Roxby Downs, South Australia September 18, 2019
Africa Tanzania ncat JP3703 Quartz (Amethyst) with inclusions, Umba River (Umba Valley), Tanga Region, Tanzania October 8, 2019