Colorado North and Central Americas United States ncat RAM4 CW49 8538, Spessartine, Quartz, Ruby Mountain, Nathrop, Chaffee County, Colorado, USA September 26, 2024
Asia China 5390 Muscovite, Spessartine, Pyrite, Wushan Spessartine Mine, Tongbei, Yunxiao, Fujian, China September 29, 2019
Australasia Australia Tasmania 3931 Quartz (Smoky), Heemskirk Range, near Zeehan, Tasmania October 3, 2019