PT - JOURNAL ARTICLE AU - William G. Mixter TI - On willemite and tephroite AID - 10.2475/ajs.s2-46.137.230 DP - 1868 Sep 01 TA - American Journal of Science PG - 230--232 VI - s2-46 IP - 137 4099 - http://www.ajsonline.org/content/s2-46/137/230.short 4100 - http://www.ajsonline.org/content/s2-46/137/230.full SO - Am J Sci1868 Sep 01; s2-46