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Лесна операция, без нужда от регулиране на бар графа, посредством устройството за управление на звука, с цел да се постигне съответствие с размера на различните камъни, както е при други уреди Способен да разграничи камъни с миниатюрен размер – ..
The Gem Refractometer , commonly known as Gemstone Refractometer, is the primary and most powerful tool in identify and authenticate polished precious and semi-precious gemstones and observing the optical properties and the structure of gemstones. Th..
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 and a slide switch to turn lights on and off. Its natural white light helps..
A handheld spectroscope for visible light shows the absorption lines of the elements involved in producing its color. For instance, it helps to separate ruby (chrome) against red or pink sapphire (iron). Spectroscope breaks up the light that is being..
The polariscope is use 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 Moissanite and detecting strain in diamonds...
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. The light is composed of 5 white LED bulbs - this lamp is very bright. Lamp is powered by three AAA batteries w..
Refractive Index is one of the most important optical parameters used to identify and authenticate polished precious and semi-precious gemstones. This Gemological refractometer is a low cost, lightweight measuring instrument u..
A 10X, 18mm Loupe with darkfield. A small instrument that provides 10x magnification as in a standard loupe, with an important added feature: it is combined with a specially constructed area that enables you to view a gem against a black background w..
Does a poorly lighted or dark area hinder you from seeing the magnified part of an object? Worry no more! A folding loupe offers high quality 10x, 18mm magnifier optical glass lens with built-in super bright LED light source activated by..
This desktop polariscope is very useful in identifying moissanite, detecting strain diamonds and other gems and separating synthetic amethyst from genuine. No replacing of fuse or changing of bulb is needed. It is the most efficient way is put it all..
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 a slide switch to turn lights on and off. Its natural white light helps..
This diamond selector doesn't react on stones like fake crystals, or simulants such as cubic zirconium, when the probe touches the surface. It is the easiest answer for the vast majority of retail jewelers, pawn brokers and chain stores when faced wi..
Top-of-the-line set, a good combination of Chelsea Filter, Dichroscope and Jeweler's 10x & 20x Loupe. Made carefully with professional craftsmen to insure quality, accuracy, durability, and comfortability. Below are the devices included in the pa..
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 aid in identifying other colored stones..
Ruby Filter is a filter that is extremely useful in differentiating red stones such as Ruby, Spinel, Tourmaline, and Garnets from others that might look similar in comparison. Using it is as simple as holding the filter close to your eye, look at the..
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