3377 Quartz (Amethyst), Ilparpa, Alice Springs, Northern Territory October 3, 2019 Steve Australasia Australia Northern Territory
Africa Tanzania ncat JP3703 Quartz (Amethyst) with inclusions, Umba River (Umba Valley), Tanga Region, Tanzania October 8, 2019
Australasia Australia Northern Territory 3374 Quartz (Amethyst), Ilparpa, Alice Springs, Northern Territory October 3, 2019
Africa Madagascar ncat OS003 Amethyst, Andilamena Quartz Quarries, Andranotokana Massif, Andilamena, Alaotra-Mangoro, Madagascar May 3, 2023
