Silver with Copper

Tamarack Mine, Tamarack, Calumet Township, Houghton County, Michigan  USA

Specimen size: 4.5 × 2.5 × 1.5 cm = 1.77” × 0.98” × 0.59”
Main crystal size: 1.8 × 0.4 cm = 0.71” × 0.16”