Author

Bear Williams

OpenAlex ID: A5088816905

Nephrite Jade from the Sky Zone, Wyoming, USA: Characteristics and Primary Hydrothermal Origin

2024 · Jean-Pierre Jutras, Bear Williams, et al. · Journal of gemmology/The journal of gemmology · 5

Nephrite Jade from Washington State, USA, Including a New Variety Showing Optical Phenomena

2023 · Jean-Pierre Jutras, Bear Williams, et al. · Journal of gemmology/The journal of gemmology · 4

Hessonite from Somaliland

2020 · Bear Williams, Cara Williams, et al. · Journal of gemmology/The journal of gemmology · 3

Blue Diopside from Russia

2020 · Cara Williams, Bear Williams, et al. · Journal of gemmology/The journal of gemmology · 3

Gem-Quality Amethyst from Rwanda: Optical and Microscopic Properties

2018 · Karl Schmetzer, Bear Williams · Journal of gemmology/The journal of gemmology · 3

Violet Spinel with Strong Green Fluorescence

2022 · Cara Williams, Bear Williams · Journal of gemmology/The journal of gemmology · 1

Colour-Change Andradite

2021 · Cara Williams, Bear Williams · Journal of gemmology/The journal of gemmology · 1

‘Grey’ Spinel from Ocua, Mozambique

2021 · Cara Williams, Bear Williams, et al. · Journal of gemmology/The journal of gemmology · 1

Hessonite from Kunar Province, Afghanistan

2020 · Cara Williams, Bear Williams · Journal of gemmology/The journal of gemmology · 1

Iridescent Andradite from Niger

2026 · Bear Williams, Cara Williams, et al. · Journal of gemmology/The journal of gemmology

Near-Colourless Grossular from Tanzania

2026 · Bear Williams, Cara Williams, et al. · Journal of gemmology/The journal of gemmology

Yellow-to-Orange Topaz from Zambia

2025 · Bear Williams, Cara Williams, et al. · Journal of gemmology/The journal of gemmology

Pyrope-Almandine from Lao Cai Province, Vietnam

2025 · Bear Williams, Cara Williams, et al. · Journal of gemmology/The journal of gemmology

Update on ‘Chrome’ Tourmaline from Landanai, Tanzania

2025 · Brendan M. Laurs, Bear Williams, et al. · Journal of gemmology/The journal of gemmology

Topaz from Colombia

2025 · Supparat Promwongnan, Cara Williams, et al. · Journal of gemmology/The journal of gemmology

‘Blood Vessel’ Opal from San Luis Potosí, Mexico

2025 · Bear Williams, Cara Williams, et al. · Journal of gemmology/The journal of gemmology

Fire Opal from Ukraine

2025 · Bear Williams, Cara Williams, et al. · Journal of gemmology/The journal of gemmology

Additional Production of Rainbow Moonstone Feldspar from Madagascar

2024 · Bear Williams, Cara Williams, et al. · Journal of gemmology/The journal of gemmology

Hazy Spinel from Mahenge, Tanzania

2024 · Chi Ma, George R. Rossman, et al. · Journal of gemmology/The journal of gemmology

Spessartine from Engare Naibor, Tanzania

2023 · Bear Williams, Cara Williams, et al. · Journal of gemmology/The journal of gemmology

‘Aquafire’ Beryl from Brazil

2023 · Alessandra Costanzo, Cara Williams, et al. · Journal of gemmology/The journal of gemmology

Topaz from Thanh Hoa, Vietnam

2023 · Bear Williams, Cara Williams, et al. · Journal of gemmology/The journal of gemmology

Aquamarine from Manakana, Madagascar

2022 · Brendan M. Laurs, Cara Williams, et al. · Journal of gemmology/The journal of gemmology

Pink-Orange Euclase from Bahia, Brazil

2022 · Lætitia Gilles-Guéry, Laurence Galoisy, et al. · Journal of gemmology/The journal of gemmology

Transparent Optical Ceramic as a Gem Material?

2022 · Cara Williams, Bear Williams · Journal of gemmology/The journal of gemmology

Works count: 33

Citation count: 22

H-index: 3

I10-index: