Specifications： Color：Black Auto Off：" N/A Initial warm-up：~ 20 sec. Indicator：Audio and LED lamps Power supply：1 * DC 9V Battery (not included) Item size：16 * 4 * 2.2cm (6.6 * 1.6 * 0.8in) Package Content： 1 x Diamond Selector II Tester 1 x Protected Leather Bag 1 x User Manual.
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However, those stones with similar heat conductivity to the natural diamonds can not be distinguished. Testing platform for loose stones. It is lightweight and compact in size (with a size of credit card), easy and convenient to carry.
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10x 15x 20x 25x LED Headband Binocular Magnifier for Watch PCB Working Repair MU. 10X Lighted Magnifying Glass Headset LED Light Head Headband Magnifier Loupe MU. 5X 11X illuminated Magnifying Glass Jewellery Loupe Portable Reading 8 LEDs MU#.
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【User friendly design】: Specifically designed for diamond detection, this jewelry selector is simple to operate and provides quick and accurate differentiation between real diamonds and other simulated gemstones.
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Presidium Gem Indicator PGI. The Presidium Gem Indicator, the only handheld tester in the industry specifically for coloured gemstones, indicates up to 31 different types of coloured gems based on their thermal conductivity and even features a colour input function that allows users to select from a range of 12 common colours, thereby achieving more accurate results.
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Diamond Selector II Gold Testing Kits Gem Pen Gemstone Jewelry Tester Tool,Portable Electronic Diamond Tester Pen Jewelry Selector LED for diamond, sapphire, ruby, crystal, agate, jade, gems multi gemstone precious stones hardness test tool, Diamond Selector II V2.
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Shake or stir the tin for 1-2 minutes. Ideal for brush application, it can also be sprayed, though you may need standard thinners for optimal results. Apply in thin coats, waiting until the previous coat is touch dry before adding more, until you achieve the desired finish.
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Polariscope is used to distiguish the homogeneous gem from nonhomogenous gem and the crystalline aggregate,and test the abnormal birefringence of the gem.under certain circumstance,use the conoscope to view the interference pattern and the uncoaxiality.
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