
Orange topaz with synthetic hematite coating
Author(s) : -
Date : 2002
Orange topaz with synthetic hematite coating. Published in Gems & Gemology, 2002.
Author(s): M.S. Krzemnicki
Orange topaz with synthetic hematite coating. Published in Gems & Gemology, 2002.
Author(s): M.S. Krzemnicki
Das strahlende Blau der behandelten Topase. Published in Zeitschrift der Deutschen Gemmologischen Gesellschaft, 1993.
Author(s): M. Huegi