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

12:30 PM - 2:00 PM JST(3:30 AM - 5:00 AM UTC)

[R1P-17] Estimation of the Mn valence using EPMA and TEM/EELS of the Ti-Mn unknown mineral from Yakiyama, Iizuka, Fukuoka Prefecture, Japan.

*Yuya TAKEDA¹, Seiichiro Uehara³, Yoshihiro Kuwahara² (1. Kyushu University, 2. Kyushu Univ. SCS, 3. Kyushu Univ. Museum)

Keywords:

flank method,EELS,Mn

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