Augite from West Virginia, USA
USA | |
| pubs.usgs.gov (2004) http://pubs.usgs.gov/circ/2004/1264/html/trip4/index.html |
| Byron F. King (1932) American Mineralogist, 17, #10, 485-490. |
USA | |
| pubs.usgs.gov (2004) http://pubs.usgs.gov/circ/2004/1264/html/trip4/index.html |
| Byron F. King (1932) American Mineralogist, 17, #10, 485-490. |