Polydymite from Pennsylvania, USA
USA | |
| Smith and Barnes (2011) Pennsylvania Geology v. 41, no. 3/4. |
| Smith and Barnes (2011) Pennsylvania Geology Fall/Winter 2011 Smith and Barnes (2011) Pennsylvania Geology v. 41, no. 3/4. |
USA | |
| Smith and Barnes (2011) Pennsylvania Geology v. 41, no. 3/4. |
| Smith and Barnes (2011) Pennsylvania Geology Fall/Winter 2011 Smith and Barnes (2011) Pennsylvania Geology v. 41, no. 3/4. |