Marmolite from Maryland, USA
USA | |
| Ostrander, C. W. & W. E. Price (1940) Minerals of Maryland: Natural History Society of Maryland, 27p. |
| Jat Thompson Collection |
USA | |
| Ostrander, C. W. & W. E. Price (1940) Minerals of Maryland: Natural History Society of Maryland, 27p. |
| Jat Thompson Collection |