Your search returned 4 results.

Sort
Results
1.
Gemstone enhancement heat, irradiation, impregnation, dyeing, and other treatments which alter the appearance of gemstones, and the detection of such treatments /. by
Material type: Text Text; Literary form: Not fiction
Publisher: London Butterworths 1984
Availability: Items available for loan: Library of General Geology (1).
2.
Gemstones of East Africa. by
Material type: Text Text; Literary form: Not fiction
Publisher: Mexico Geoscience Press, Inc. 1992
Availability: Items available for loan: Library of General Geology (1).
3.
4.
Gemstones in the Geological Museum a guide to the collection. by
Edition: 4th ed. Revised by Patricia M. Statham, based on the third edition revision by P.A. Sabine.
Material type: Text Text; Literary form: Not fiction
Publisher: London H.M.S.O. 1983
Availability: Items available for loan: Library of General Geology (1).
Pages