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Investigation on the gemological, physical and compositional properties of some green opals from Eastern Rhodopes, Bulgaria
Caucia, Franca, Marinoni, Luigi, Bruni, GiovannaJournal:
Rendiconti Lincei. Scienze Fisiche e Naturali
DOI:
10.1007/s12210-019-00855-z
Date:
October, 2019
File:
PDF, 1.30 MB
2019