RT Journal Article SR Electronic T1 Notes upon some of the mineralogical curiosities of the Paris Exposition of 1867 JF American Journal of Science JO Am J Sci FD American Journal of Science SP 194 OP 198 DO 10.2475/ajs.s2-45.134.194 VO s2-45 IS 134 A1 Blake, William P. YR 1868 UL http://www.ajsonline.org/content/s2-45/134/194.abstract AB