Entries by Margarita Cardona

Rock Creek Montana Sapphires: A New Age of Mining Begins

Potentate Mining was recently featured on the website of the Gemological Institute of America (GIA), in an article by Tao Hsu, Andrew Lucas, Shane McClure, Nathan Renfro, and Kevin Schumacher. The richness of Rock Creek along with its history and geology are highlighted, as well as Potentate’s operation and responsible sourcing. Visit the link below for the GIA […]