Gmelinite Subgroup from selected localities.
USA | |
| Miller, C. E. (1971) "Rhode Island Minerals and Their Locations," University of Rhode Island, Kingston: 47. |
| Miller, 1972. Minerals of Rhode Island |
USA | |
| Miller, C. E. (1971) "Rhode Island Minerals and Their Locations," University of Rhode Island, Kingston: 47. |
| Miller, 1972. Minerals of Rhode Island |