Gemstones Identification-Blue Chart Ed. 2023
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Gemstones Identification-Blue Chart Ed. 2023

Gemstones Identification Chart by Nicolas Lazzarelli Ed. 2023

€66.00 €66.00 (tax excl.)
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12 Tabelle complete di indici, spettri e caratteri distintivi delle pietre più comuni

Gem Identification Bluechart 2023

A compilation of key information for the gemologist:

- to analyze the results obtained with all the standard gemological tools

- to distinguish between natural and treated gemstones, synthesis and imitations

- to avoid traps and potentially misleading results


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