23. Oct IGC 2023 Colour change Paraiba tourmaline from Brazil By Claudio C. Milisenda, Stefan Müller Download Pdf Tourmaline
23. Oct IGC 2023 Proposed New Filler Type for Emerald Fracture Filling: Design, Detection, Differentiation, Disclosure Fracture filling is common in gem trading to enhance gemstones’ beauty and / or durability. Common Read More Elodie
23. Oct IGC 2023 Origin Identification Characteristics of High-quality Green Jadeite Currently occurrences of jadeite mainly include Myanmar, Guatemala, Russia, Kazakhstan and Japan. Or Read More Elodie
23. Oct IGC 2023 Mechanism and Application of High-Temperature Copper Diffusion in Surface Recoloring of Labradorites Feldspar, with the chemical formula of [KAlSi3 O8 ]x[NaAlSi3 O8 ]y[CaAl2 Si2 O8 ]z (x + y + z = 100) Read More Elodie
