Schorl from selected localities.
USA | |
| SDSMT Bull 18 Roberts and Rapp "Mineralogy of the Black Hills" |
SDSMT Bull 18 Roberts and Rapp "Mineralogy of the Black Hills" | |
| Rocks & Minerals 76:385 |
USA | |
| SDSMT Bull 18 Roberts and Rapp "Mineralogy of the Black Hills" |
SDSMT Bull 18 Roberts and Rapp "Mineralogy of the Black Hills" | |
| Rocks & Minerals 76:385 |