ncat JP3703 Quartz (Amethyst) with inclusions, Umba River (Umba Valley), Tanga Region, Tanzania October 8, 2019 Steve Africa Tanzania
Bulgaria Europe 10059 Sphalerite, Galena, Quartz, Madan ore field, Rhodope Mts, Smolyan Oblast, Bulgaria October 5, 2019
Georgia (US) North and Central Americas United States 5567 Quartz, Girard, Girard District, Burke Co., Georgia, USA October 5, 2019
Australasia Australia Tasmania 3311 Quartz, Philosophers Ridge, Mt Lyell, Queenstown, Tasmania October 3, 2019
