PT - JOURNAL ARTICLE AU - Samuel Lewis Penfield TI - Brookite from Magnet Cove, Arkansas AID - 10.2475/ajs.s3-31.185.387 DP - 1886 May 01 TA - American Journal of Science PG - 387--389 VI - s3-31 IP - 185 4099 - http://www.ajsonline.org/content/s3-31/185/387.short 4100 - http://www.ajsonline.org/content/s3-31/185/387.full SO - Am J Sci1886 May 01; s3-31