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Horn Silver Mine, Frisco, San Francisco Mining District, Beaver County, Utah, USA

Multi-color Sphalerite from the Horn Silver Mine, Utah

Green Fluoreescent Sphalerite from the Horn Silver Mine, Utah

Multi-color Sphalerite from the Horn Silver Mine, Utah

Sphalerite Breccia from Horn Silver Mine, Utah

In the Mix: Sphalerite/Wurtzite, Horn Silver Mine, Utah

Sphalerite from Horn Silver Mine, Utah

Sphalerite - Horn Silver Mine, Frisco, Utah

Horn Silver Sphalerite, it has it all!

Triboluminescent Sphalerite - Horn Silver Mine, Utah