RT Journal Article SR Electronic T1 On the brookite from Magnet Cove, Arkansas JF American Journal of Science JO Am J Sci FD American Journal of Science SP 314 OP 317 DO 10.2475/ajs.s3-32.190.314 VO s3-32 IS 190 A1 Dana, Edward Salisbury YR 1886 UL http://www.ajsonline.org/content/s3-32/190/314.abstract AB