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

[R1-P-16] Constituent minerals of clay associated with the pegmatite dike in Nagatare, Fukuoka Prefecture, Japan

*Yuya TAKEDA¹, Seiichiro Uehara², Yoshihiro Kuwahara³ (1. Kyushu Univ. ISGS, 2. Kyushu Univ. Museum, 3. Kyushu Univ. SCS)

Keywords:kaoline, halloysite, nagatare