RT Journal Article SR Electronic T1 On cryophyllite, a new mineral species of the mica family, with some associated minerals in the granite of Rockport, Massachusetts JF American Journal of Science JO Am J Sci FD American Journal of Science SP 217 OP 230 DO 10.2475/ajs.s2-43.128.217 VO s2-43 IS 128 A1 Cooke, Josiah Parsons YR 1867 UL http://www.ajsonline.org/content/s2-43/128/217.abstract AB