Hematite from selected localities.
USA | |
| [var: Specularite] Peggy L. Smith, J.V. Tingley (1983) NBMG OFR 83-12 |
Peggy L. Smith, J.V. Tingley (1983) NBMG OFR 83-12 |
USA | |
| [var: Specularite] Peggy L. Smith, J.V. Tingley (1983) NBMG OFR 83-12 |
Peggy L. Smith, J.V. Tingley (1983) NBMG OFR 83-12 |