Crossed-Polarizer Polariscope: a polariscope in which the two polarizing filters are positioned so that the allowed vibration direction of light in a given plane of one filter is perpendicular to that of the other filter.
Crossed-Polarizer Polariscope: a polariscope in which the two polarizing filters are positioned so that the allowed vibration direction of light in a given plane of one filter is perpendicular to that of the other filter.
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IGR – Rivista Italiana di Gemmologia, the Italian Gemological Review, is the leading International Gemological Magazine in Italy masterminded by Gem-Tech Gemological Institute, a broad information framework for Gemologists as well as professionals involved daily in the gemstone business.
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