These regally festive 18K yellow gold handmade Crevoshay earrings feature tourmaline from the now closed Stewart Mine in California, all cut by the late George Crevoshay. “Princess of Stewart” was a part of Crevoshay – Art of the Jewel at the Natural History Museum of Los Angeles from December 7, 2018 to May 12, 2019. It is composed with California Tourmaline and Blue Zircon from Cambodia. Zircon, Tourmaline and Beryl.