| Location | Specimens | State | | Country | | | Ala Valley, Lanzo Valleys, City of Turin, Piedmont, Italy | 1 | | | Italy |  |
| Monte Arsicco Mine, Sant Anna di Stazzama, Tuscany, Italy | 1 | | | Italy | |
| Mt. Vesuvius, Italy | 1 | | | Italy | |
| Olga Tunnel, Tuscany, Italy | 1 | | | Italy | |
| Rio delle Ossa, Italy | 1 | | | Italy | |
