Hexahydrite from Rocky Mountains, North America
USA | |
| Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing. |
| Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing. |
| Luetcke, Rolf (n.d.) Personal communication. |
Cody, Beartooth Mountains, Park County, Wyoming, USA