Friday, September 16, 2011

Low Price Polariscope




Polariscope by National Jewelers Supplies
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POLARISCOPE - Sorting Out Imitations. Discerning between single and double refractions using a polariscope is step one in gemologocal discernment. FEATURES- Effective in distinguishing single refractive gem stones from double refractive ones.. ... Read more Polariscope




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