| Location | Specimens | State | | Country | | | Blue bird mine, Sangre de Cristo Range, Saguache County, Colorado, USA | 4 | Colorado |  | USA |  |
| Blue Star Claims, Mt Antero, Chaffee County, Colorado, USA | 1 | Colorado | | USA | |
| Calumet Iron Mine, Chaffee County, Colorado, USA | 1 | Colorado | | USA | |
| Camp Bird Mine, Ouray Co., Colorado, USA | 1 | Colorado | | USA | |
| Clear Creek Canyon, Jefferson County, Colorado, USA | 1 | Colorado | | USA | |
| Colorado, USA | 2 | Colorado | | USA | |
| Commodore Mine, Creede Mining District, Mineral County, Colorado, USA | 4 | Colorado | | USA | |
| Detroit City Portal, Sweet Home Mine, Colorado, USA | 1 | Colorado | | USA | |
| Devil's Head Region, Jefferson County, Colorado, USA | 1 | Colorado | | USA | |
| Dreamtime Mine, Teller Co., Colorado, USA | 1 | Colorado | | USA | |
| Eagle Mine, Gilman, Eagle County, Colorado, USA | 1 | Colorado | | USA | |
| Hartsel Area, Park County, Colorado, USA | 1 | Colorado | | USA | |
| Hunters Hope Claim, Pikes Peak Foothills, El Paso County, Colorado, USA | 1 | Colorado | | USA | |
| Julia Fiske Mine, Leadville, Lake Co., Colorado, USA | 1 | Colorado | | USA | |
| Lake George, Colorado, USA | 1 | Colorado | | USA | |
| Lakeview Lode, Park County, Colorado, USA | 1 | Colorado | | USA | |
| Michael Breene Mine, Montrose Country, Colorado, USA | 1 | Colorado | | USA | |
| Moon Beam Claim, Saguacho County, Colorado, USA | 1 | Colorado | | USA | |
| Moose Mine, Gilpin County, Colorado, USA | 1 | Colorado | | USA | |
| Park County, Colorado, USA | 2 | Colorado | | USA | |
| Sweet Home Mine, Colorado, USA | 2 | Colorado | | USA | |
| Wild Blue Indian Claim, Park County, Colorado, USA | 1 | Colorado | | USA | |
