3929 Quartz (Amethyst), Brandberg, Gobbobisberg Mountains, Namibia October 3, 2019 Steve Africa Namibia Adam Wright 2/2005
Australasia Australia Northern Territory 3392 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
Australasia Australia Northern Territory ncat M1341 Amethyst, Rutile, Entia Valley, Harts Range, Northern Territory October 14, 2019
