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Designed for detailed metal finishing
It also provides information and color photos on gemstones
The magnifications are 2x
Create a test mark
meteorites and the early solar system and gemstones and their treatments
Exotic Gems, Volume 3 Drills Designed for detailed metal finishingExotic Gems, Volume 3: How to Identify, Evaluate, Select and Care For Matrix Opal, Fire Agate , Blue Chalcedony, Rubellite, Indicolite, Paraiba and Other Tourmalines Third in a series of books that explains with color photos the price factors and identifying traits of unusual gems. The stones are shown not only loose but also in jewelry, in the rough and as beads. Fun facts, historical anecdotes, geographic sources, gem treatment information, cutting
US$ 1099.50
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US$ 1850.00