"Herkimer-style" Quartz from
South Africa | |
| Cairncross, Bruce (2004) Field Guide to Rocks & Minerals of Southern Africa. 288pp. |
| Cairncross, Bruce (2004) Field Guide to Rocks & Minerals of Southern Africa. 288pp. |
South Africa | |
| Cairncross, Bruce (2004) Field Guide to Rocks & Minerals of Southern Africa. 288pp. |
| Cairncross, Bruce (2004) Field Guide to Rocks & Minerals of Southern Africa. 288pp. |