Limonite from Nagano Prefecture, Japan
Japan | |
| Sadanaga, Ryoichi, Bunno, Michiaki (1974) The Wakabayashi Mineral Collection. Bulletin 7. The University Museum, The University of Tokyo |
| Petrov, Alfredo (n.d.) Personal Communication. |
| Dr. Matsuo Nambu collection (curated at Geological Survey of Japan) |
| Petrov, Alfredo (n.d.) Personal Communication. |
Takeshi, Chiisagata district, Nagano Prefecture, Japan