"sinkankas, john . "
prospective for gemstone and minerals: / john.. sinkankas - ed. - new york : van nostrand reinhold co. 1970. - "xviii, 397p.; 23 cm."
hard cover
archeology--mineralogy
QE446 / .S56 1970
prospective for gemstone and minerals: / john.. sinkankas - ed. - new york : van nostrand reinhold co. 1970. - "xviii, 397p.; 23 cm."
hard cover
archeology--mineralogy
QE446 / .S56 1970