Piemontite from Okhotsk Plate
Japan | |
| Ohe Rikosha specimens |
| Togari, K., & Akasaka, M. (1987). Okhotskite, a new mineral, an Mn3+-dominant member of the pumpellyite group, from the Kokuriki mine, Hokkaido, Japan. Mineralogical Magazine, 51(62), 611-614. |
| Dr. Matsuo Nambu ore collection (curated at Geological Survey of Japan) |
| Mineralogical Journal Vol. 17 (1994) , No. 5 pp 211-218 |
| Dr. Kameki Kinoshita collection (curated at Geological Survey of Japan) |
| A. Kato et al. , Bull. Minéral., 1981, 104, pp. 396-399, France. |