RT Journal Article SR Electronic T1 On the crystalline form of polianite JF American Journal of Science JO Am J Sci FD American Journal of Science SP 243 OP 247 DO 10.2475/ajs.s3-35.207.243 VO s3-35 IS 207 A1 Dana, Edward S. A1 Penfield, Samuel L. YR 1888 UL http://www.ajsonline.org/content/s3-35/207/243.abstract AB