ncat JP134 Quartz, Harts Range (Harts Ranges; Hartz Range; Hartz Ranges), Central Desert Region, Northern Territory September 23, 2019 Steve Australasia Australia Northern Territory
Africa Madagascar ncat OS003 Amethyst, Andilamena Quartz Quarries, Andranotokana Massif, Andilamena, Alaotra-Mangoro, Madagascar May 3, 2023
Europe Germany ncat JP1302 Quartz, Bellerberg volcano, Ettringen, Mayen, Eifel, Rhineland-Palatinate, Germany October 11, 2019
Australasia Australia Tasmania 3065 Hematite in Quartz (Sceptre), Iron Blow, Mt Lyell, Tasmania October 3, 2019
