Gemstones Identification Chart by Nicolas Lazzarelli
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Gemstones Identification-Blue Chart Ed. 2023

Gemstones Identification Chart by Nicolas Lazzarelli Ed. 20123

66,00 € 66,00 € (Tasse escluse)

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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