Quartz, Tetrahedrite - Standard Mine, USA - 120mm x 70mm x 50mm
Mineral: Quartz, Tetrahedrite
Locality: Standard Mine, Emmons Mountain, Crested Butte, Ruby District, Gunnison County, Colorado, USA
Dimensions: 120mm x 70mm x 50mm

Description: Obtained from a miner who was trying to tunnel back into the old mine