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CLASSIFICATION OF GEM MATERIALS USING MACHINE LEARNING.

• Authors : Hardman, Matthew F.; Homkrajae, Artitaya; Eaton-Magaña, Sally

Subjects: LASER ablation inductively coupled plasma mass spectrometry; INDUCTIVELY coupled plasma mass spectrometry; MACHINE learning

• Source: Gems & Gemology; Fall2024, Vol. 60 Issue 3, p306-329, 24p

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Lab Notes.

• Authors : Hikaru Sato; Linzmeyer, Taryn; Towbin, Henry

Subjects: INDUCTIVELY coupled plasma mass spectrometry; LASER ablation inductively coupled plasma mass spectrometry; X-ray computed microtomography

• Source: Gems & Gemology; Summer2024, Vol. 60 Issue 2, p212-225, 14p

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TOPAZ FROM MASON COUNTY, TEXAS.

• Authors : Bassoo, Roy; Eames, Diane; Hardman, Matthew F.

Subjects: LASER ablation inductively coupled plasma mass spectrometry; INDUCTIVELY coupled plasma mass spectrometry; MACHINE learningTEXAS

• Source: Gems & Gemology; Winter2023, Vol. 59 Issue 4, p414-431, 18p

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SAPPHIRE BENEATH THE RICH BLACK SOIL OF MULING, NORTHEASTERN CHINA.

• Authors : Yimiao Liu; Ren Lu

Subjects: BLACK cotton soil; LASER ablation inductively coupled plasma mass spectrometry; SAPPHIRES

• Source: Gems & Gemology; Fall2022, Vol. 58 Issue 3, p290-317, 28p

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COLOR MECHANISM AND SPECTROSCOPIC THERMAL VARIATION OF PINK SPINEL REPORTEDLY FROM KUH-I-LAL, TAJIKISTAN.

• Authors : Yicen Liu; Lijian Qi; Schwarz, Dietmar

Subjects: LASER ablation inductively coupled plasma mass spectrometry; SPINEL; OPTICAL spectroscopyTAJIKISTAN

• Source: Gems & Gemology; Fall2022, Vol. 58 Issue 3, p338-353, 16p

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UNIQUE RAINDROP PATTERN OF TURQUOISE FROM HUBEI, CHINA.

• Authors : Ling Liu; Mingxing Yang; Yan Li

Subjects: INDUCTIVELY coupled plasma mass spectrometry; LASER ablation inductively coupled plasma mass spectrometry; RAINDROPSHUBEI Sheng (China)

• Source: Gems & Gemology; Fall2020, Vol. 56 Issue 3, p380-400, 21p

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Abstracts for Oral Presentations and Posters.

Subjects: DATA modeling; UNITED States presidential election, 2020; SOCIAL constructivism

• Source: Yearbook of the Association of Pacific Coast Geographers; 2022, Vol. 84, p1-29, 29p

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Lab Notes.

• Authors : Moses, Thomas M.; McClure, Shane F.

Subjects: LASER ablation inductively coupled plasma mass spectrometry; ARTIFICIAL diamonds

• Source: Gems & Gemology; Spring2022, Vol. 58 Issue 1, p48-58, 11p

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TREATMENTS.

• Authors : Wasura Soonthorntantikul; Sudarat Saeseaw; Palke, Aaron

Subjects: LASER ablation inductively coupled plasma mass spectrometry; SAPPHIRES; LIGHT absorption

• Source: Gems & Gemology; Fall2021, Vol. 57 Issue 3, p283-290, 8p

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GEOGRAPHIC ORIGIN DETERMINATION OF PARAÍBA TOURMALINE.

• Authors : Katsurada, Yusuke; Ziyin Sun; Breeding, Christopher M.

Subjects: TRACE element analysis; LASER ablation inductively coupled plasma mass spectrometry; QUALITATIVE chemical analysisJOAO Pessoa (Paraiba, Brazil); MOZAMBIQUE; NIGERIA

• Source: Gems & Gemology; Winter2019, Vol. 55 Issue 4, p648-659, 12p, 5 Color Photographs, 1 Diagram, 2 Charts, 2 Graphs, 1 Map

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