Magnetite from Fayette County, Pennsylvania, USA
USA | |
| Byron F. King (1932) American Mineralogist, 17, #10, 485-490. |
| Gordon, 1922. Mineralogy of Pennsylvania, p.30. |
| Byron F. King (1932) American Mineralogist, 17, #10, 485-490. |
Byron F. King (1932) American Mineralogist, 17, #10, 485-490. |