Silver in the A. E. Seaman Mineral Museum

Michigan Technological University

Page 2. Caledonia Mine, Ontonagon Coutny, Michigan

Sharp silver crystals with copper, on datolite. 5.5 inches tall. Caledonia mine, Ontonagon County, Michigan George W. Robinson photo.

Sharp twinned silver crystals, with copper, datolite, microcline, quartz, and epidote; etched from calcite. Caledonia mine, Ontonagon County, Michigan John A. Jaszczak photo.

Spray of silver crystals ( cm) with hollow copper crystals, quartz, green epidote, and tiny white datolite spheres. Caledonia mine, Ontonagon County, Michigan John A. Jaszczak photo.