Liddicoat, Richard T.
Handbook of gem identification - 9th ed. - Los Angeles Gemological Institute of America 1972 - xv, 440p, : ill., photos.
PRECIOUS STONES-Identification
549.091 / L5
Handbook of gem identification - 9th ed. - Los Angeles Gemological Institute of America 1972 - xv, 440p, : ill., photos.
PRECIOUS STONES-Identification
549.091 / L5