Works by Williams, Bear

Results: 65
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    Topaz from Colombia.

    Published in:
    Journal of Gemmology, 2025, v. 39, n. 6, p. 534, doi. 10.15506/jog.2025.39.6.534
    By:
    • Promwongnan, Supparat;
    • Williams, Cara;
    • Williams, Bear;
    • Laurs, Brendan M.
    Publication type:
    Article
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    Yellow-to-Orange Topaz from Zambia.

    Published in:
    Journal of Gemmology, 2025, v. 39, n. 5, p. 440, doi. 10.15506/jog.2025.39.5.440
    By:
    • Williams, Bear;
    • Williams, Cara;
    • Laurs, Brendan M.
    Publication type:
    Article
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    Hazy Spinel from Mahenge, Tanzania.

    Published in:
    Journal of Gemmology, 2024, v. 39, n. 3, p. 213, doi. 10.15506/jog.2024.39.3.213
    By:
    • Chi Ma;
    • Rossman, George R.;
    • Williams, Bear;
    • Williams, Cara;
    • Laurs, Brendan M.
    Publication type:
    Article
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    Topaz from Thanh Hoa, Vietnam.

    Published in:
    Journal of Gemmology, 2023, v. 38, n. 8, p. 751, doi. 10.15506/jog.2023.38.8.751
    By:
    • Williams, Bear;
    • Williams, Cara;
    • Laurs, Brendan M.
    Publication type:
    Article
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    'Aquafire' Beryl from Brazil.

    Published in:
    Journal of Gemmology, 2023, v. 38, n. 7, p. 646, doi. 10.15506/jog.2023.38.7.646
    By:
    • Costanzo, Alessandra;
    • Williams, Cara;
    • Williams, Bear;
    • Campos-Venuti, Marco
    Publication type:
    Article
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    Spessartine from Engare Naibor, Tanzania.

    Published in:
    Journal of Gemmology, 2023, v. 38, n. 6, p. 556, doi. 10.15506/jog.2023.38.6.556
    By:
    • Williams, Bear;
    • Williams, Cara;
    • Laurs, Brendan M.
    Publication type:
    Article
    12

    Dr Donald Hoover: 1930-2023.

    Published in:
    Journal of Gemmology, 2023, v. 38, n. 5, p. 525
    By:
    • Williams, Cara;
    • Williams, Bear
    Publication type:
    Article
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    Pink-Orange Euclase from Bahia, Brazil.

    Published in:
    Journal of Gemmology, 2022, v. 38, n. 2, p. 44, doi. 10.15506/jog.2021.38.1.44
    By:
    • Gilles-Guéry, Lætitia;
    • Villar de Queiroz, Luiza Almeida;
    • Schnellrath, Jurgen;
    • Williams, Bear;
    • Williams, Cara;
    • Campolina Barbosa, Tiago;
    • Laurs, Brendan M.;
    • Galoisy, Laurence;
    • Calas, Georges
    Publication type:
    Article
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    Aquamarine from Manakana, Madagascar.

    Published in:
    Journal of Gemmology, 2022, v. 38, n. 2, p. 6, doi. 10.15506/jog.2021.38.1.6
    By:
    • Laurs, Brendan M.;
    • Williams, Cara;
    • Williams, Bear
    Publication type:
    Article
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    Pink-Orange Euclase from Bahia, Brazil.

    Published in:
    Journal of Gemmology, 2022, v. 38, n. 1, p. 44, doi. 10.15506/jog.2021.38.1.44
    By:
    • Gilles-Guéry, Lætitia;
    • Villar de Queiroz, Luiza Almeida;
    • Schnellrath, Jurgen;
    • Williams, Bear;
    • Williams, Cara;
    • Campolina Barbosa, Tiago;
    • Laurs, Brendan M.;
    • Galoisy, Laurence;
    • Calas, Georges
    Publication type:
    Article
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    Aquamarine from Manakana, Madagascar.

    Published in:
    Journal of Gemmology, 2022, v. 38, n. 1, p. 6, doi. 10.15506/jog.2021.38.1.6
    By:
    • Laurs, Brendan M.;
    • Williams, Cara;
    • Williams, Bear
    Publication type:
    Article
    20

    'Grey' Spinel from Ocua, Mozambique.

    Published in:
    Journal of Gemmology, 2021, v. 37, n. 8, p. 772, doi. 10.15506/jog.2021.37.8.772
    By:
    • Williams, Cara;
    • Williams, Bear;
    • Laurs, Brendan M.
    Publication type:
    Article
    21

    Chrome Diopside from Ethiopia.

    Published in:
    Journal of Gemmology, 2021, v. 37, n. 6, p. 564, doi. 10.15506/jog.2021.37.6.564
    By:
    • Williams, Cara;
    • Williams, Bear
    Publication type:
    Article
    22

    Colour-Change Andradite.

    Published in:
    Journal of Gemmology, 2021, v. 37, n. 6, p. 562, doi. 10.15506/jog.2021.37.6.562a
    By:
    • Williams, Cara;
    • Williams, Bear
    Publication type:
    Article
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    Hessonite from Somaliland.

    Published in:
    Journal of Gemmology, 2020, v. 37, n. 2, p. 135, doi. 10.15506/jog.2020.37.2.135
    By:
    • Williams, Bear;
    • Williams, Cara
    Publication type:
    Article
    26

    Blue Diopside from Russia.

    Published in:
    Journal of Gemmology, 2020, v. 37, n. 2, p. 124, doi. 10.15506/jog.2020.37.2.124
    By:
    • Williams, Cara;
    • Williams, Bear
    Publication type:
    Article
    27

    Glass-filled White Sapphire.

    Published in:
    Journal of Gemmology, 2020, v. 37, n. 1, p. 24, doi. 10.15506/jog.2020.37.1.24
    By:
    • Williams, Cara;
    • Williams, Bear
    Publication type:
    Article
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    Anorthite from Japan.

    Published in:
    Journal of Gemmology, 2019, v. 36, n. 6, p. 496, doi. 10.15506/jog.2019.36.6.496
    By:
    • Williams, Cara;
    • Williams, Bear;
    • Laurs, Brendan M.
    Publication type:
    Article
    32

    Purple Fluorite in Opal from Utah, USA.

    Published in:
    Journal of Gemmology, 2019, v. 36, n. 5, p. 404
    By:
    • Fritsch, Emmanuel;
    • Mocquet, Blanca;
    • Williams, Bear;
    • Williams, Cara;
    • Turner, Starla
    Publication type:
    Article
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    Hessonite from Mogok, Myanmar.

    Published in:
    Journal of Gemmology, 2018, v. 36, n. 3, p. 187
    By:
    • Williams, Cara;
    • Williams, Bear;
    • Laurs, Brendan M.
    Publication type:
    Article
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    Tsavorite Reportedly from Ethiopia.

    Published in:
    Journal of Gemmology, 2017, v. 35, n. 8, p. 702
    By:
    • Williams, Bear;
    • Williams, Cara;
    • Pardieu, Vincent;
    • Raynaud, Victoria;
    • Karampelas, Stefanos
    Publication type:
    Article
    40

    More Tremolite from Tanzania.

    Published in:
    Journal of Gemmology, 2017, v. 35, n. 8, p. 701
    By:
    • Williams, Cara;
    • Williams, Bear;
    • Laurs, Brendan M.;
    • Hawthorne, Frank C.;
    • Day, Maxwell
    Publication type:
    Article
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    Colour-zoned Green Beryl from Pakistan.

    Published in:
    Journal of Gemmology, 2017, v. 35, n. 7, p. 573
    By:
    • Williams, Cara;
    • Williams, Bear;
    • Falster, Alexander U.;
    • 'Skip' Simmons, William B.;
    • Laurs, Brendan M.
    Publication type:
    Article
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    Beryllonite from Pakistan.

    Published in:
    Journal of Gemmology, 2017, v. 35, n. 6, p. 469
    By:
    • Williams, Cara;
    • Williams, Bear;
    • Laurs, Brendan M.
    Publication type:
    Article
    45

    Stichtite as a Gem Material.

    Published in:
    Journal of Gemmology, 2017, v. 35, n. 5, p. 395
    By:
    • Williams, Cara;
    • Williams, Bear;
    • Laurs, Brendan M.
    Publication type:
    Article
    46

    Ceruleite from Chile.

    Published in:
    Journal of Gemmology, 2017, v. 35, n. 5, p. 380
    By:
    • Williams, Cara;
    • Williams, Bear;
    • Laurs, Brendan M.
    Publication type:
    Article
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    Lace Opal from Utah.

    Published in:
    Journal of Gemmology, 2016, v. 35, n. 4, p. 282
    By:
    • Williams, Cara;
    • Falster, Alexander U.;
    • Simmons, William B.;
    • Williams, Bear
    Publication type:
    Article
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    New Garnets from East Africa.

    Published in:
    Journal of Gemmology, 2016, v. 35, n. 3, p. 192
    By:
    • Williams, Cara;
    • Williams, Bear;
    • Falster, Alexander U.;
    • Simmons, William 'Skip' B.
    Publication type:
    Article