EUROPEAN GEMOLOGICAL LABORATORY

HAND-OPERATED JEWELERS' TOOLS, NAMELY, GEMSTONE TWEEZERS AND STONE HOLDERS

Jewelers' and gemologists' equipment, namely, measuring apparatus, namely, gemstone and jewelry scales, sarin measuring devices, and gauges for sizing and setting precious and semi-precious stones, namely, micrometer gauges and leverage gauges; viewing and optical instruments and apparatus, namely, microscopes, digital jewelry cameras, microscope camera adapters, loupes and hearts and arrows viewers for precious and semi-precious stones; special lighting apparatus for inspection of precious and semi-precious stones, namely, daylight Lamps, fiber optic and Macbeth Judge light sources, light boxes and photographic light boxes; identification instruments and apparatus, namely polariscopes, refractometers, spectroscopes, colorimeters, color filters, color master samples, dichroscopes, x-ray equipment, apparatus, namely polariscopes, refractometers, spectroscopes, colorimeters, color filters, color master samples, dichroscopes, x-ray equipment, diamond testers and gold testers; and laser engraving apparatus for precious and semi-precious stones

BOOKS IN THE FIELDS OF GEMOLOGY AND GEMOLOGICAL RESEARCH

CONDUCTING RESEARCH IN THE FIELD OF GEMOLOGY, INCLUDING PROVIDING REPORTS TO OTHERS ON THE RESULTS THEREOF