Anorthite from selected localities.
||[var: Labradorite] Schooner, Richard. (1958): The Mineralogy of the Portland-East Hampton-Middletown-Haddam Area in Connecticut (With a few notes on Glastonbury and Marlborough).|
||Chomiak, B. A. (1989): An integrated study of the structure and mineralization at Great Hill, Cobalt, Connecticut [M.S. thesis]: University of Connecticut, Storrs, Connecticut, 288 p.|
||Schooner, Richard. (circa 1985), Untitled manuscript on central Connecticut mineralogy.|