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GSTK-43 Calcite Dichroscope Gem & Gemstones Gemological Testing Jeweler Tool Gemology Gemologist
Dichroscope show whether or not a stone is dichroic (reflects 2 colors). This can be helpful in differentiating stones of the same color from one another. Specifications: Type: calcite Diameter: 15mm Length: 60mm...
$44.90 USD
GSTK-44 Foldable Chelsea Jadelite Filter for Gem Emerald Gemological Testing Jeweler Tool
It is an essential device in identifying colored stones. While it was originally intended to rapidly differentiate between genuine Emeralds and the pastes and doublets which resemble them, it also is a valuable...
$29.70 USD
GSTK-781 Jeweler Loupe 10X Magnification Magnifier 6 LED light, 21mm lens Jeweler Gem Tester Tool
Ideal for use in poor lighting conditions, this 10x lighted loupe features a 21mm lens and contains six bright white LED lights to illuminate the field of view & stones. It has a triplet...
$29.70 USD
GSTK-783 20X Magnification 21mm Lens Jeweler Loupe Magnifier 6 LED light Gem Gemstone Jewelry Tool
This is a 20x lighted loupe with 21mm Triplet Optical Glass Lens have six bright white LED lights around the lens to illuminate the field of view & the stone being viewed and...
$30.70 USD
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GSTK-783XX Optical Glass Magnifier 20x Magnification Magnifying LED Light Jeweler Loupe Gemstone
20x magnification with built-in bright LED Light source activated by a push of a button switch. Applications & Usage:Great product for watchmaking industry, especially for inspecting those tiny objects, gems, and diamonds, finding...
$21.70 USD
GSTK-785 30X Magnification Jeweler Loupe Magnifier w/ 6 LED light 21mm Lens Gem Gemstone Tool Tester
This is a 30x lighted loupe with 21mm Triplet Optical Glass Lens have six bright white LED lights around the lens to illuminate the field of view & the stone being viewed. ...
$30.70 USD
GSTK-787 Handheld Polariscope with Flashlight Jeweler Gemologist Gemstone Tester Tool
The polariscope is used to test cut or rough gemstones. Allows two polarising filters to observe the structure and optical properties of precious stones or minerals. It can also be used in identifying...
$39.70 USD
GSTK-788 Spectroscope - Prism Spectroscope, Big Size, Heavy Duty & Light Weight Aluminum Material
A handheld spectroscope for visible light shows the absorption lines of the elements involved in producing its color. Spectroscope breaks up the light that is being transmitted from a gemstone to its spectral...
$70.90 USD
GSTK-789 Foldable Ruby Filter for Emerald & Gemstones Gemstone Jewelry Identification Tool
Ruby Filter is a filter that is extremely useful in differentiating red stones such as Ruby, Beryl, Sapphire, and Tourmaline from others that might look similar in comparison. Features: Accurately distinguish the...
$31.70 USD
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GSTK-865 Desktop LED light for Polariscope / Darkfield Loupe
This multi-use desktop LED light is ideal for a variety of purposes but is most suited to use with a polariscope or dark-field loupe. This unit is compatible with handheld darkfield loupe with...
$27.70 USD
GSTK-93 Scale Loupe 10x Magnification 8 LED Light 20mm Scale Chart & 25mm Field of View Magnifier
A scale loupe that offers up to 10x MAGNIFICATION. It has a 25mm diameter with 20mm glass reticle scale chart seen clearly through the eyepiece. It has 8 LED light to illuminate the field of view & stones being...
$39.70 USD
GSTK-93_LED+3 Scale Loupe 10x Magnification 4 Scale Chart with 8 LED Light 25mm Field of View Magnifier
A scale loupe that offers up to 10x MAGNIFICATION. It has a 25mm diameter with 20mm glass reticle scale chart seen clearly through the eyepiece. It has 8 LED light to illuminate the field of view & stones being...
$47.90 USD