TY - BOOK AU - Kerr,Paul F. TI - Optical mineralogy SN - 0070342105 AV - QE369.O6 .K4 1959 U1 - 549.12 PY - 1959/// CY - New York PB - McGraw-Hill KW - Optical mineralogy N1 - "Previous editions by Austin F. Rogers and Paul F. Kerr."; Includes bibliography ER -