PT - JOURNAL ARTICLE AU - Oliver Cummings Farrington TI - The chemical composition of iolite AID - 10.2475/ajs.s3-43.253.13 DP - 1892 Jan 01 TA - American Journal of Science PG - 13--16 VI - s3-43 IP - 253 4099 - http://www.ajsonline.org/content/s3-43/253/13.short 4100 - http://www.ajsonline.org/content/s3-43/253/13.full SO - Am J Sci1892 Jan 01; s3-43