23. Oct IGC 2023 Colour change Paraiba tourmaline from Brazil By Claudio C. Milisenda, Stefan Müller Download Pdf Tourmaline
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
23. Oct IGC 2023 Fingerprint differences between Emeralds from two main zones of production in Colombia in response to input from their host rock Although there is information about techniques to separate Colombian emerald material from that of o Read More Elodie
23. Oct IGC 2023 Mapping underground rivers at the Copeton Diamond Field, New South Wales, Australia. Following these “deep leads” to further riches In Australia’s ‘New England’, early gold and tin explorers discovered diamonds in their sluice Read More Elodie
