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1400/20 Technical Gemmology


“Gemmologia tecnica” [Technical Gemmology] by Vanda Rolandi and Sergio Cavagna
Procedures and analysis methods for gem identification, 288 pages

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Technical GemmologyTechnical Gemmology
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Technical Gemmology sizes:
Lenght 300   mm
Height 15   mm
Width 210   mm
Weight 1100   grams
  Technical specification