RT Journal Article SR Electronic T1 Contributions from the Sheffield Laboratory of Yale College; XIV, On kaolinite and pholerite JF American Journal of Science JO Am J Sci FD American Journal of Science SP 351 OP 361 DO 10.2475/ajs.s2-43.129.351 VO s2-43 IS 129 A1 Johnson, S. W. A1 Blake, John M. YR 1867 UL http://www.ajsonline.org/content/s2-43/129/351.abstract AB