Calcite from selected localities.
USA | |
| Collection of Mark A Gottlieb |
Ed Force collection; Ed Force collection | |
Schooner, Richard. (1961), The Mineralogy of Connecticut. Fluorescent House, Branford, Connecticut. | |
| David Busha collection |
| Robinson, Samuel. (1825): A Catalogue of American Minerals; Collection of Mark A Gottlieb |
| Emerson, B. K. (1902), Note on Corundum and a Graphitic Essonite, from Barkhamsted, Connecticut. American Journal of Science: s. 4, 14: 234-6. |
Talcott Mountain, Simsbury, Hartford County, Connecticut, USA