Presidium Gem Tester II Colored Stones and Diamond Moissanite Tester - Norway
Presidium Gem Tester II Colored Stones and Diamond Moissanite
How to Use a Gem Tester on Your Jade Stones & Jewelry I Satin Crystals
Presidium MultiTester III Diamond & Moissanite Tester
The Presidium Probe Pen consists of two linked thermometers. One heated electronically while the other is cooled by the gemstone being tested. The difference in temperature creates an electrical output which is displayed on the Analog Dial on the front of the Gem Tester II. The Analog Dial shows a color stone estimator display to assist you to distinguish between popular colored gemstones. Note that this thermal tester is not able to differentiate between natural Diamonds and Moissanites.
Presidium Gem Tester II (pgt Ii)
Presidium Instruments Gem Tester II (PGT II) with Assisted Thermal Calibration (ATC) for Identifying Diamonds/Moissanites and Common Colored Gemstones : Presidium: Arts, Crafts & Sewing
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The Presidium Probe Pen consists of two linked thermometers. One heated electronically while the other is cooled by the gemstone being tested. The difference in temperature creates an electrical output which is displayed on the Analog Dial on the front of the Gem Tester II. The Analog Dial shows a color stone estimator display to assist you to distinguish between popular colored gemstones. Note that this thermal tester is not able to differentiate between natural Diamonds and Moissanites.
Presidium Gem Tester II (pgt Ii)
Presidium® Gem Tester II – ZAK JEWELRY TOOLS
Presidium Instruments Gem Tester II (PGT II) with
Presidium Moissanite Tester II: Entry-level Instrument
Moissanite 2-Row Cuban Link Ring 14K Gold White Gold / 9
