- Copiapo, Atacama, Chile1
- Cumberland, Cumbria, England, United Kingdom1
- Cummington, Hampshire County, Massachusetts, United States1
- Edgefield County (S.C.)1
- Ehrenfriedersdorf, Saxony, Germany1
- Fairfield County (S.C.)1
- Filipstad, Varmland County, Sweden1
- Framont, Alsace, France1
- Fredericksvarn, Norway1
- Gilmerton, Edinburgh, Scotland, United Kingdom1
- Griqualand West, Northern Cape Province, South Africa1
- Harpers Ferry, Jefferson County, West Virginia, United States1
- Hoboken, Hudson County, New Jersey, United States1
- Howes Cave, Cobleskill, Schoharie County, New York, United States1
- Ilfeld, Thuringia, Germany1
- India1
- Iquique, Tarapaca, Chile1
- Labrador, Newfoundland and Labrador, Canada1
- Laurens County (S.C.)1
- Leadhills, South Lanarkshire, Scotland, United Kingdom1