Yaogangxian Mine, Hunan

Where: Hunan · Asia · approx. 25.73, 113.18 (vicinity only)

Why this spot: Mesozoic granite-related hydrothermal W-Sn veins

What turns up: Green fluorite cubes, ferberite/wolframite blades, arsenopyrite, quartz, calcite, scheelite

Access: Permission required.

Working tungsten mine; specimens come out via miners and dealers, no independent collecting underground

Satellite view, historic-map overlays, tide/flow context and field notes are in the app. Exact research detail is part of Pro.