£27.00
10 in stock
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This guide is for wholesalers, gemmologists, jewellers and appraisers to be used as a quick reference for portable standard instruments to separate red, pink and purple transparent natural and synthetic gems using four portable in-expensive instruments: 1. 10x Loupe. 2. PL-Inspector/Jewellery Inspector 3. Portable polariscope 4. Spectroscope.
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£27.00
£27.00
