Muscovite from Sampo mine, Shitouyouze, Bitchū, Takahashi City, Okayama Prefecture, Japan
Japan | |
| [var. Sericite] Matsueda, H. (1981) Journal of the Mining College, Akita University, Ser. A, Mining Geology, 6, #1, 1-43. |
Japan | |
| [var. Sericite] Matsueda, H. (1981) Journal of the Mining College, Akita University, Ser. A, Mining Geology, 6, #1, 1-43. |