PT - JOURNAL ARTICLE AU - Benjamin Silliman TI - On the so-called "barrel quartz" of Nova Scotta AID - 10.2475/ajs.s2-38.112.104 DP - 1864 Jul 01 TA - American Journal of Science PG - 104--106 VI - s2-38 IP - 112 4099 - http://www.ajsonline.org/content/s2-38/112/104.short 4100 - http://www.ajsonline.org/content/s2-38/112/104.full SO - Am J Sci1864 Jul 01; s2-38