1. Synthetic, Imitation & Treated Gemstones
by O'Donoghue, Michael 
Price: USD 175.00
Dealer: Abebooks, Posthoc Books [IOBA]
Description: ISBN10: 0750631732, ISBN13: 9780750631730, [publisher: Butterworth-Heinemann, Oxford] Softcover First Edition x + 203 pp. Pictorial cover. Bright, fresh, clean, unopened, unread: NEW. [Grafton, NH, U.S.A.] [Publication Year: 1997]  

2. Synthetic, Imitation and Treated Gemstones
by O*Donoghue, Michael 
Price: USD 331.42
Dealer: AbebooksUK, dsmbooks
Description: ISBN10: 0750631732, ISBN13: 9780750631730, [publisher: Butterworth-Heinemann] Softcover Good [liverpool, United Kingdom] [Publication Year: 1997]