Ferruginous Quartz from Japan
Japan | |
| www.petrovrareminerals.com/articles02q.html |
Dr. Matsuo Nambu collection (curated at Geological Survey of Japan) | |
| Dr. Matsuo Nambu collection (curated at Geological Survey of Japan) |
| Dr. Matsuo Nambu collection (curated at Geological Survey of Japan) |
| Dr. Matsuo Nambu collection (curated at Geological Survey of Japan) |
| Dr Yohachiro Okamoto (1876-1960) collection (curated by the Geological Survey of Japan) |
| Dr Yohachiro Okamoto (1876-1960) collection (curated by the Geological Survey of Japan) |
www.petrovrareminerals.com/articles02q.html |