Abstract of Papers Presented at Annual Meeting of the Gemmological Society of Japan

Abstract of Papers Presented at Annual Meeting of the Gemmological Society of Japan

Published by The Gemmological Society of Japan

441 registered articles
(updated on July 13, 2025)

CONFERENCE PROCEEDINGS FREE ACCESS

2025 Annual Meeting

Growth and characteristics of bicolor Fe doped spinel Toru Katsumata, Ayaka Kojima, Miu Kouno, Kotomi Kimura
Verification about Crystal Growth Process of Trapiche Ruby. Yasushi Takahashi, Toshiya Atumi, Junji Yamanaka, Keisuke Arimoto, Chiaya Yamamoto, Satoki Shinozuka, Ryunosuke Kawamura, Takuma Ampo
Traces and Context of Mr. Jun Kirekawa, a gemologist Shoji Yamagishi
The origin of the cloudiness part (Egg) in opal. Yasushi Takahashi, Yuki Haraguchi, Junji Yamanaka, Keisuke Arimoto, Chiaya Yamamoto, Takuma Ampo

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Most viewed articles (June 2025)

1

Flux growth of ruby and sapphire crystals

Released on J-STAGE: June 30, 2017 | 2017 Annual Meeting Pages 19

* Makoto Tachibana
2

A novel spherical Marimo-like carbon growth with using the diamond-supported transition metal catalysts

Released on J-STAGE: July 03, 2019 | 2019 Annual Meeting Pages 10

* Naoto Kataoka, Mika Shiraishi, Kiyoharu Nakagawa, Toshihiro Ando, Mikka Nishitani-Gamo
3

Fluorescent opal with polycyclic aromatic hydrocarbon mineral inclusions from Shikaribetsu area, Shikaoi-cho, Hokkaido, Japan

Released on J-STAGE: July 25, 2023 | 2023 Annual Meeting Pages 6

* Takashi Ishibashi, Ryoji Tanaka, Akihito Hagiwara, Yuki Inoue
4

Gemological characterization of alluvial sapphires from Anamushi, Kashiba-chi, Nara prefecture, Japan

Released on J-STAGE: August 05, 2024 | 2024 Annual Meeting Pages 6

* Makoto Miura, Jie Ren
4

Fluorescent Organic Substances in Opal from Shikaribetsu, Hokkaido

Released on J-STAGE: July 25, 2023 | 2023 Annual Meeting Pages 5

Shigenori OGIHARA, * Momoyo SUETOMI

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