17. Nov IGC 2025 Hurlbutite from Myanmar Gravier D., Delaunay A., Boemo J., Arlabosse J.-M., Fritsch E., S. Karampelas Download Pdf Other Gemstones
17. Nov IGC 2025 Spinel from Sri Lanka – An update Most of the spinels are found in shades of red to purple. Colourless, green and cobalt bearing varie Read More Elodie
17. Nov IGC 2025 An approach to understanding the factors in the emerald enhancement clarity grading system used at CDTECGemlab Emerald is the green variety of beryl, with its distinctive color resulting from trace amounts of ch Read More Elodie
17. Nov IGC 2025 Advancing Fei Cui Origin Authentication: A comparison of green fei cui from Myanmar, Guatemala, Italy and Russia In recent years, an increasing number of sources of fei cui, such as Guatemala, Italy and Russia, ha Read More Elodie
