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ORIGINAL EMO OCTOSCOP L: 2X- 28X MAGNIFIER LOUPE BY ARTHUR SEIBERT
Air Suction Capacity : m3 h / 600
Silversmiths & metalsmiths
Metal alert buzzer to ensure that probe tip is in contact with gemstone during testing
Exotic Gems, Volume 4 Silver & Precious Metal Materials ORIGINAL EMO OCTOSCOP L: 2X-Exotic Gems, Volume 4: How to Identify, Evaluate and Select Jade and Abalone Pearls Explains with color photos the price factors and identifying traits of jade and abalone pearls. Jade is shown shown not only loose but also in jewelry, in the rough and as beads. Fun facts, historical anecdotes, geographic sources, gem treatment information, cutting sequences, advanced identification methods and tips on gem care are included along with diagrams and
US$ 1175.00
US$ 1225.00