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    Gemmological Instruments by A. Krüss Optronic



    Gem
    Travel Labs

    A portable laboratory!
    You can take your Gem Travel lab with you almost anywhere. All you need for a sophisticated gemstone examination is packed in a shockresistant aluminum trolley case. The equipment runs on external power, on its long-life battery or on your 12 V automobile battery.


    Gemstone
    refractometers

    For determination of the refractive index, a parameter for the quality and classification of gemstones. Krüss refractometers give you exceptionally crisp, sharp readings and a large field of view. 


    Gemstone
    Spectroscopes

    To observe emission- and absorption spectra. Most gemstones show a characteristic behavior to absorption. With a spectroscope you can characterise the gemstone by determining the wavelength of the absorbed light.


    Gemstone
    Workstation

    All instruments for testing and characterizing gemstones. Diamond tester, proportionscopes, proportion eyepieces, gem gauges, dichroscopes, polariscopes, hardness pins, filter, scales, immersion liquids


    Microscopes

    Microscopes with precision optics for the examination of diamonds and gemstones. Stereo, stereo zoom and tilting microscopes with reflected and transmitted light, darkfield and fiber optic light source.


    Cold-light sources

    Evaluate the integrity of any stone or object with cold-light sources with long life halogen lamps that puts the light where you want it. The brightness can be adjusted without color change. Cold-light sources are perfectly suitable for microscopic or spectroscopic examinations.


    UV- and
    Analysis Lamps

    UV-lamps with special filters for long- and short-wave light.
    Analysis lamps with daylight LED eg. to determine the luminescence of UV radiation the so-called fluorescence and phosphorescence created by disturbances in the crystal lattice. To identify synthetic or composite gems, genuine- or formed pearls.


    Eyeglass magnifier
    and Loupes

    This eyeglass magnifier gives you stereoscopic short distance viewing and leaves your hands free for work.
    Loupes made by A.KRÜSS Optronic are equipped with qualitatively high-quality and distortion-free lenses. Large selection of types and qualities cover each need. Magnification from 10x to 28X 


    Scientific
    Books

    Scientific books on gemstones and gemstone diagnostics, gem tables for the determination of syntheses, artificial products and imitations.


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