| Archive Reference / Library Class No. | LS/553.9 |
| Title | The distribution of colored varieties of fluorites within the thermal zones of Derbyshire mineral deposits. |
| Date | 1954 |
| Publication Date | 1954 |
| Author | Mueller, George |
| Repository | Derbyshire Record Office |
| Further Information | Extracted from Int. Geol. Cong. 19th, Algeria C. R. sc. 13, fasc. 15. |
| Term | Minerals |