Found: 15

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  • G&G Lab Notes.

    Published in:
    Gems & Gemology, 2015, v. 51, n. 3, p. 312
    By:
    • Ardon, Troy;
    • Chan, Sally;
    • Muyal, Jonathan;
    • Renfro, Nathan;
    • Cooper, Amy;
    • Ziyin Sun;
    • Ito, Claire;
    • Hand, Dylan;
    • Neurauter, Amy;
    • Breitzmann, Heidi;
    • Homkrajae, Artitaya;
    • Yan Ho, Joyce Wing;
    • Wong, Surjit Dillon;
    • Kyaw Soe Moe;
    • D'Haenens-Johansson, Ulrika;
    • Wuyi Wang;
    • Sehgal, Akhil;
    • Befi, Riccardo
    Publication type:
    Article

  • Gem News International.

    Published in:
    Gems & Gemology, 2011, v. 47, n. 1, p. 56, doi. 10.5741/GEMS.47.1.56
    By:
    • Overton, Thomas W.;
    • Laurs, Brendan M.;
    • Macrì, Michele;
    • Maras, Adriana;
    • Renfro, Nathan;
    • Koivula, John I.;
    • Overlin, Stuart D.;
    • Blauwet, Dudley;
    • Douman, Makhmout;
    • Isatelle, Flavie;
    • Sturman, Nick;
    • Shen, Andy H.;
    • Durgin, Dennis;
    • Rossman, George R.;
    • Befi, Riccardo;
    • Xiaoyan Feng;
    • Yong Zhang;
    • Abuduwayiti, Maituohuti;
    • Taijin Lu;
    • Hainschwang, Thomas
    Publication type:
    Article

  • Lab Notes.

    Published in:
    Gems & Gemology, 2010, v. 46, n. 2, p. 140, doi. 10.5741/GEMS.46.2.140
    By:
    • Kondo, David;
    • Johnson, Paul;
    • Kyaw Soe Moe;
    • Wuyi Wang;
    • Emerson, Erica;
    • Renfro, Nathan;
    • Koivula, John;
    • Befi, Riccardo;
    • Beaton, Donna
    Publication type:
    Article

  • Gem News International.

    Published in:
    Gems & Gemology, 2010, v. 46, n. 1, p. 58, doi. 10.5741/GEMS.46.1.58
    By:
    • Laurs, Brendan M.;
    • Renfro, Nathan;
    • Sturman, Nick;
    • Strack, Elisabeth;
    • Tagliani, Simona Mazziotti;
    • Macrì, Michele;
    • Stellino, Stefano;
    • Maras, Adriana;
    • Serracino, Marcello;
    • Karampelas, Stefanos;
    • Hardy, Pierre;
    • Fritsch, Emmanuel;
    • Befi, Riccardo;
    • Thirangoon, Kamolwan;
    • Pardieu, Vincent;
    • Jacquat, Stephane;
    • Bryl, Lou Pierre;
    • Kitawaki, Hiroshi;
    • Abduriyim, Ahmadjan;
    • Kawano, Jun
    Publication type:
    Article

  • Aquamarine with ocean-themed inclusions.

    Published in:
    Gems & Gemology, 2009, v. 45, n. 3, p. 215
    By:
    • Befi, Riccardo
    Publication type:
    Article

  • New tourmaline production from Keffi, Nigeria.

    Published in:
    Gems & Gemology, 2009, v. 45, n. 3, p. 227
    By:
    • Befi, Riccardo;
    • Simmons, William B.;
    • Falster, Alexander U.
    Publication type:
    Article

  • Australian chrysoprase with dendritic inclusions.

    Published in:
    Gems & Gemology, 2009, v. 45, n. 1, p. 71
    By:
    • Befi, Riccardo
    Publication type:
    Article

  • Inclusions within Inclusions in RUBY.

    Published in:
    Gems & Gemology, 2008, v. 44, n. 2, p. 161
    By:
    • Wai L. Win;
    • Befi, Riccardo
    Publication type:
    Article

  • A rare faceted yellow vanadinite.

    Published in:
    Gems & Gemology, 2008, v. 44, n. 2, p. 184
    By:
    • Befi, Riccardo
    Publication type:
    Article

  • COPPER-BEARING (PARAÍBA-TYPE) TOURMALINE FROM MOZAMBIQUE.

    Published in:
    Gems & Gemology, 2008, v. 44, n. 1, p. 4, doi. 10.5741/GEMS.44.1.4
    By:
    • Laurs, Brendan M.;
    • Zwaan, J. C. (Hanco);
    • Breeding, Christopher M.;
    • Simmons, William B. (Skip);
    • Beaton, Donna;
    • Rijsdijk, Kenneth F.;
    • Befi, Riccardo;
    • Falster, Alexander
    Publication type:
    Article

  • PHENAKITE as a Rough Diamond Imitation.

    Published in:
    Gems & Gemology, 2007, v. 43, n. 3, p. 250
    By:
    • Beaton, Donna;
    • Sheby, Joshua;
    • Befi, Riccardo
    Publication type:
    Article

  • Glass-Filled SYNTHETIC RUBY.

    Published in:
    Gems & Gemology, 2007, v. 43, n. 3, p. 250
    By:
    • Jang-Green, HyeJin;
    • Befi, Riccardo
    Publication type:
    Article

  • Sapphires from New Zealand.

    Published in:
    Gems & Gemology, 2006, v. 42, n. 3, p. 113
    By:
    • Kiefert, Lore;
    • Krzemnicki, Michael S.;
    • Du Toit, Garry;
    • Befi, Riccardo;
    • Schmetzer, Karl
    Publication type:
    Article

  • Coated Topaz.

    Published in:
    Gems & Gemology, 2006, v. 42, n. 3, p. 128
    By:
    • Befi, Riccardo
    Publication type:
    Article

  • Demantoid from Iran.

    Published in:
    Gems & Gemology, 2006, v. 42, n. 3, p. 131
    By:
    • Du Toit, Garry;
    • Mayerson, Wendi;
    • Van Der Bogert, Carolyn;
    • Douman, Makhmout;
    • Befi, Riccardo;
    • Koivula, John I.;
    • Kiefert, Lore
    Publication type:
    Article