https://www.rivistaitalianadigemmologia.com/en/2026/11/04/journal-of-gemmology-vol-40-issue-2-2026-jade-from-kazakhstan-sapphire-analysis-and-treatment-identification/IGR - Italian Gemological Reviewen2026-11-04T12:18:00+01:00Journal of Gemmology Vol. 40, Issue 2 (2026): Jade from Kazakhstan, Sapphire Analysis, and Treatment Identification https://www.rivistaitalianadigemmologia.com/2026/11/04/journal-of-gemmology-vol-40-2-2026-giada-dal-kazakistan-analisi-degli-zaffiri-ed-identificazione-dei-trattamenti/IGR - Rivista Italiana di Gemmologia - Italian Gemological Reviewit2026-11-04T12:16:50+01:00Journal of Gemmology Vol. 40, 2/2026: giada dal Kazakistan, analisi degli zaffiri ed identificazione dei trattamenti