Virgin Valley Mines
📍 Nevada, United States · 41.9500°, -118.5500°
Humboldt County opaled wood and limb casts in clay diatomite — Nevada black opals are spectacular but craze-prone; public fee digs operate at Rainbow Ridge.
📍 Nevada, United States · 41.9500°, -118.5500°
Humboldt County opaled wood and limb casts in clay diatomite — Nevada black opals are spectacular but craze-prone; public fee digs operate at Rainbow Ridge.