17. Nov IGC 2025 A convincing glass imitation of larimar (pectolite) Gagan Choudhary Download Pdf Other Gemstones
17. Nov IGC 2025 Dyed purple Jade (Lavender jade or purple “Fei Cui”) from Mandalay’s jade market, Myanmar Jade or "Fei Cui" are trade names for a stone that typi- cally contains only one or more main minera Read More Elodie
17. Nov IGC 2025 Blue sapphire from Malacacheta of Minas Gerais, Brazil Malacacheta, located in Minas Gerais, Brazil, is renowned for its alexandrite deposits and com-plex Read More Laurent Cartier
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
