Talc from Oita Prefecture, Japan
Japan | |
| Dr. Yohachiro Okamoto collection (curated at Geological Survey museum, Japan) |
| Dr. Yohachiro Okamoto collection (curated at Geological Survey museum, Japan) |
Japan | |
| Dr. Yohachiro Okamoto collection (curated at Geological Survey museum, Japan) |
| Dr. Yohachiro Okamoto collection (curated at Geological Survey museum, Japan) |