(TL) indicates type locality. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.
| Czech Republic | |
- Bohemia (Böhmen; Boehmen)
- Krušné Hory Mts (Erzgebirge)
- Jáchymov (St Joachimsthal) District
| [AmMin 84:688] | | USA | | |
| Pavel M. Kartashov analytical data, J. Weissman specimen |
|