Epsomite from
USA | |
| Jeremy Zolan |
| Schooner, Richard. (1958): The Mineralogy of the Portland-East Hampton-Middletown-Haddam Area in Connecticut (With a few notes on Glastonbury and Marlborough). Published by Richard Schooner Ralph Lieser of Pappy’s Beryl Shop, East Hampton and Howard Pate of Fluorescent House, Branford, Connecticut. |
| John H. Betts (2009) "The minerals of New York City", Rocks & Minerals, 84, 204-240. |