RT Journal Article SR Electronic T1 Geology of the diamond JF American Journal of Science JO Am J Sci FD American Journal of Science SP 97 OP 99 DO 10.2475/ajs.s3-23.134.97 VO s3-23 IS 134 A1 O. A. Derby YR 1882 UL http://www.ajsonline.org/content/s3-23/134/97.abstract AB