Biotite from selected localities.
USA | |
| Williams (circa 1945) |
Seaman, David M. and Robert P. Gallant (1960): SPESSARTITE GARNET WITH HEXOCTAHEDRAL FACES FROM JAIL HILL, HADDAM, CONNECTICUT Rocks & Minerals, Vol. 35, Nos. 9-10, pp. 445-8. | |
Kevin Czaja Collection | |
Harold Moritz collection | |
Lundgren, Lawrence, Jr. (1979), The Bedrock Geology of the Haddam Quadrangle. State Geological and Natural History Survey of Connecticut. Quadrangle Report No. 37. | |
AmMin 7:4 |
Jail Hill Road locality, Haddam, Middlesex County, Connecticut, USA