Haüyne from Boulder County, Colorado, USA
USA | |
| Volcanic Rock of Alum Hill, Boulder, CO Andrews, C, L. 1895 |
| Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing. |
USA | |
| Volcanic Rock of Alum Hill, Boulder, CO Andrews, C, L. 1895 |
| Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing. |