https://www.rivistaitalianadigemmologia.com/en/2026/09/08/first-examinations-on-paraiba-and-other-copper-bearing-tourmalines-from-abuloo-ethiopia/IGR - Italian Gemological Reviewen2026-09-08T12:44:36+02:00First Examinations on Paraíba and Other Copper-bearing Tourmalines from Abuloo, Ethiopia https://www.rivistaitalianadigemmologia.com/2026/09/08/indagini-preliminari-sulle-tormaline-paraiba-e-sulle-altre-tormaline-cuprifere-provenienti-da-abuloo-in-etiopia/IGR - Rivista Italiana di Gemmologia - Italian Gemological Reviewit2026-09-08T12:44:04+02:00Indagini preliminari sulle tormaline Paraíba e sulle altre tormaline cuprifere provenienti da Abuloo, in Etiopia