6081 Quartz (Amethyst), Erongo Mountains, Namibia October 2, 2019 Steve Africa Namibia Japan Law twin
Australasia Australia Northern Territory 3396 Quartz (Amethyst), Ilparpa, Alice Springs, Northern Territory October 3, 2019
Australasia Australia Northern Territory 10075 Amethyst, Secret Creek, Kalkarindji Province, Northern Territory October 5, 2019
Arizona North and Central Americas United States 0394 Vanadinite, Amethyst, Tonopah-Belmont Mine, Tonopah, Maricopa Co., Arizona, USA November 16, 2018
Africa Madagascar ncat OS003 Amethyst, Andilamena Quartz Quarries, Andranotokana Massif, Andilamena, Alaotra-Mangoro, Madagascar May 3, 2023