6081 Quartz (Amethyst), Erongo Mountains, Namibia October 2, 2019 Steve Africa Namibia Japan Law twin
Australasia Australia Queensland 2186 Goethite, Quartz (Amethyst), Blue Hills, Agate Creek, Queensland August 27, 2023
Africa Madagascar ncat OS003 Amethyst, Andilamena Quartz Quarries, Andranotokana Massif, Andilamena, Alaotra-Mangoro, Madagascar May 3, 2023
