Molybdenite from Keweenaw Peninsula, Michigan, USA
USA | |
| Frank Karasti |
| Heinrich, E. W., Robinson, George Willard (2004) Mineralogy of Michigan (2nd ed.) A.E. Seaman Mineral Museum and Michigan Technological University. 252pp. |
USA | |
| Frank Karasti |
| Heinrich, E. W., Robinson, George Willard (2004) Mineralogy of Michigan (2nd ed.) A.E. Seaman Mineral Museum and Michigan Technological University. 252pp. |
Mass Consolidated Mine, Mass City, Ontonagon County, Michigan, USA