![](/refpic_1520181_65d942b394a1b_40_0.jpg) | | Report (issue) | at the Arakawa Mine, Akita Prefecture. In 1909, he was promoted to Director of the Mine and held. the...position and then that of the Director of the Yoshioka Mine, Okayama Prefecture, for about seven years altogether...locality is given by the name of the place or the mine followed by the name of the district, ' Pref.' standing...Kinosaki, Y. (1939): Minerals of Korea, Geological Survey of Korea, (3) Ito, T. (1941): Japanese Minerals...crystal Pseudomorph Amethyst Jaspar Agate Chalcedony Opal Siliceous oolite Tridymite Rutile Cassiterite Anatase |
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