それが何であるか
The only significant tin ore. Its high density is why tin has been recovered by panning alluvial gravels for millennia.
産出素材
| 素材 | 役割 | 品位に関する注記 |
|---|---|---|
| Tin | Only significant ore | — |
鉱石鉱物
Cassiterite
The only significant tin ore. Its high density is why tin has been recovered by panning alluvial gravels for millennia.
Cassiterite crystal ·
Strekeisen ·
CC BY 4.0
· Wikimedia Commons
