Nevada North and Central Americas United States 30005 Smoky Quartz, Spessartine, Searchlight, Nevada October 5, 2019
Colorado North and Central Americas United States ncat RAM4 CW49 8538, Spessartine, Quartz, Ruby Mountain, Nathrop, Chaffee County, Colorado, USA September 26, 2024
Australasia Australia New South Wales 1173 Spessartine, Broken Hill, New South Wales September 22, 2019
