000 00472pam a2200169a 44500
008 160408b1976 xxu||||| |||| 00| 0 eng d
082 _a553.8
_bW397p6
100 _aWebster, Robert
245 1 _aPRACTICAL GEMMOLOGY
_cA STUDY OF THE IDENTIFICATION OF GEMSTONES, PEARLS, AND ORNAMENTAL MINERALS
250 _a6th
260 _aLondon
_bN. A. G. Press
_c1976
300 _a209
650 _aPrecious Stones
650 _aGems
964 _gCIRC
997 _aA70768 C
999 _c298434
_d298434