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All books
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- 2012 Guide to Tucson Treated & Created Gems (1)
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Reading
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- Trough My Microscope (1)
- The world of gemstones from a unique perspective
- By Robert James
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Reading
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- The Book of Ruby and Sapphire (1)
- Being a Description of the Minerals of the Corundum Group Used for Gem Purposes
- By J. F. Halford-Watkins
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Reading
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Gemmol-
ogical Instru-
ments -
- Gemmological Instruments (1)
- Their Use and Principles of Operation
- By Peter G. Read
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Reading
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Gemmol-
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- Gemmologia Europa VI (1)
- I gemmologi del mondo raccontano le gemme del mare - Gemmologists of the world on gems from the sea
- By Roger Harding, Caterina Ascione, Kenneth Scarratt, …
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Finished
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- Gemmologia Europa VII (1)
- I gemmologi europei raccontano lo smeraldo - European gemologists on the emerald
- By Giorgio Graziani, Jan Kanis, Dietmar Schwarz, …
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Finished
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- Artificial Gemstones (1)
- A Collection of Historical Articles on the Production of Synthetic Gemstones
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Finished
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- Gemstones (1)
- Symbols of Beauty and Power
- By Eduard Josef Gubelin, Franz-Xaver Erni
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Finished
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- Gem and Ornamental Materials of Organic Origin (1)
- By Maggie Campbell Pedersen
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Finished
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- The Diamond Compendium (1)
- By DeeDee Cunningham
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Finished
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- The San Juan Triangle of Colorado (3)
- Mountains of Minerals
- By Don Earnest, Allan Young, Duane A. Smith, …
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Finished
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- Geheimnisvolle Welt: Einschlüsse im Quarz (1)
- Magic World: Inclusions in Quartz
- By Gerhard Niedermayr, Jaroslav Hyrsl
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Finished
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- Gemstones of Afghanistan (1)
- By Gary W. Bowersox, Bonita E. Chamberlin
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Finished
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- Diamonds in Nature (1)
- A Guide to Rough Diamonds
- By Ralf Tappert, Michelle C. Tappert
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Finished
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- Pearls (1)
- By Hubert Bari, David Lam
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Finished
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Danilo Rolan…
