Zircon from selected localities.
USA | |
| John F. Schairer (1931) Minerals of Connecticut. State Geological and Natural History Survey Bulletin No. 51. |
[var: Calyptolite] Am Jour Sci (1851) 2nd sers vol 12:210 | |
[var: Cyrtolite] Schooner (1958); Januzzi, 1976. Mineral Localities of CT and Southeastern NY State | |
| Harold Moritz collection |
Foye (1922); Harold Moritz collection |
White Rocks Quarry, White Rock Mining District, Middletown, Middlesex County, Connecticut, USA