Gemology
Hurlbut, Cornelius S.
Gemology [Text] - 2nd ed. - New York John Wiley 1991 - xiv, 336 p. plates(col.), ill. 24 cm.
9780471526674
Gemology
553.8 / HUR
Gemology [Text] - 2nd ed. - New York John Wiley 1991 - xiv, 336 p. plates(col.), ill. 24 cm.
9780471526674
Gemology
553.8 / HUR