Fe-Ti charge transfers: A comprehensive review and its applications to minerals and gems
Maxence Vigier, Helen Evans, George R. Rossman, Stéphane Jobic, Emmanuel Fritsch
History of Garnet Mining and Cutting in the Austro-Hungarian Monarchy
Bohemian garnets, i.e., chromium-bearing pyropes, are found in several jewellery pieces from the Mig
Padparadscha Sapphire & heat treatment
In 2018 the Padparadscha engagement ring of Princess Eugenie (Figure 1), the niece of the king, gave