00802cam a22002171 4500 gs 12000603 DLC 20260227111313.0 770119s1912 xx 000 0 eng c gs 12000603 (OCoLC)2688904 Library, U. S. Geol. servey O DLC premarc QE392 .S7 Smith, George Frederick Herbert, 1872-1953. Gem-stones and their distinctive characters, by G. F. Herbert Smith...With many diagrams and thirty-two plates of which three are in colour. London, Methuen & co. ltd. [1912] xiv p., 1 l., 312 p. illus., xxxii pl. (part col., incl. front.) diagrs. 20 cm. Some plates printed on both sides of leaf. Precious stones. 25171 25171