1998 Quartz, Stilbite, Mill Creek Quarry, Polk Co, Oregon, USA September 22, 2019 Steve North and Central Americas Oregon United States
Connecticut North and Central Americas United States 1330 Wurtzite, Quartz, Thomaston Dam, Connecticut, USA September 22, 2019
Cornwall England United Kingdom ncat JP2017 Anatase, Quartz, Wheal Remfry China Clay Pit, Fraddon, St Enoder, Cornwall, England, UK September 22, 2022
