|
Japan | |
|
| www.mineralmundi.com/japan.htm; Copper Handbook 1911 |
|
| Ryoichi SADANAGA and Michiaki BUNNO (1974) THE WAKABAYASHI MINERAL COLLECTION Bulletin No. 7 The University Museum, The University of Tokyo |
|
| www.mineralmundi.com/japan.htm (USGS data) |
|
| Dr. Matsuo Nambu ore collection (curated at Geological Survey of Japan) |