10045 Quartz, Ojuela Mine, Mapimi, Mun. de Mapimí, Durango, Mexico October 5, 2019 Steve Mexico North and Central Americas Cluster of doubly-terminated quartz crystals with unknown black minerals. Purchased at Keystone, priced at $12.
Australasia New Zealand ncat JP1137 Arsenopyrite, Sphalerite, Quartz, Kauri Mountain (Reef Bay), Whangarei District, Northland Region, North Island, New Zealand October 8, 2019
New Mexico North and Central Americas United States 5025 Mackayite, Quartz, Lone Pine Mine, Catron Co., New Mexico, USA September 29, 2019
Australasia New Zealand ncat JP0259 Quartz, Calcite, Moeraki Point, Waitaki District, Otago Region, South Island, New Zealand February 23, 2023
