Jun 26, 2021Outshining Gold: Imperial Topaz Rough from The Black Gold CityMost fine imperial topaz rough hails from Ouro Preto. Learn about the Black Gold city and its orange & yellow imperial topaz facet rough.
Sep 2, 2020The Montana Sapphire: Once Hidden Gem of the Treasure StateLearn about Montana sapphire facet rough, its history, deposit locations, and why it’s become a favorite of gem lovers!
Jul 7, 2020California Tourmaline: American Treasure Fit for an EmpressCalifornia Tourmaline is a dazzling representative of US facet rough. Learn about its history and relationship to other tourmaline.
May 13, 2020Phenomena in Songea SapphiresThe Songea sapphire is a rising star within the gemstone industry. Learn about the properties of these remarkable color change sapphires.