R1: Characterization and description of minerals (Joint Session with The Gemmological Society of Japan)

2:45 PM - 3:00 PM JST(5:45 AM - 6:00 AM UTC)

[R1-10] Lapis lazuli from Itoigawa, Niigata, Japan

*Satoshi Matsubara¹, Koichi Momma¹, Akiko Tokumoto¹, Yoko Kusaba¹, Hiroyuki Imai², Norimasa Shimobayashi³, Kanako Ito⁴, Daiki Ito⁴ (1. NMNS, 2. Metal & Jemstone Artist, 3. Kyoto Univ.Sci., 4. Non)

Keywords:

Lapis lazuli,haüyne,sodalite,Itoigawa

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