Keweenaw Peninsula, Michigan
5.9 x 5.6 x 4.5 cm
$25

Northwestern Mine, Keweenaw Co., Michigan
Ex. Seaman Mineral Museum
4.3 x 3.1 x 1.8 cm
$125

Central Mine, Keweenaw Co., Michigan
7.9 x 4.4 x 0.7 cm
$85

Central Mine, Keweenaw Co., Michigan
7.4 x 3.8 x 1.3 cm
$175

White Pine Mine, White Pine, Ontonagon Co.. Michigan
Ex. A. E. Seaman Museum
3.3 x 2.3 x 2.1 cm
$45

Calumet and Hecla Conglomerate, Houghton Co., Michigan
Ex. A. E. Seaman Museum
3.5 x 1.9 x 0.5 cm
$30

White Pine Mine, White Pine, Ontonagon Co., Michigan
23 x 5.3 x 1.8 cm
$250

Indiana Mine, Ontonagon Co., Michigan
7.1 x 6.2 x 3.8 cm
$300

Central Mine, Central, Keweenaw County, Michigan, USA
7.7 x 4.5 x 4.2 cm
$75

Central Mine, Central, Keweenaw County, Michigan, USA
7.3 x 6.8 x 4.6 cm
$400

Baltic Mine, Baltic, Adams Twp., Houghton County, Michigan, USA
Ex. Seaman Mineral Musueum
13.5 x 7.6 x 1.2 cm
$300

Flint Steel Mine, Ontonagon County, Michigan, USA
3.8 x 3.9 x 1.6 cm
$145

Mohawk #6 Mine, Mohawk, Keweenaw County, Michigan, USA
Ex. A. E. Seaman Mineral Museum
12.9 x 5.5 x 0.7 cm
$200

Central #2 Mine, Central, Keweenaw County, Michigan, USA
Ex. A. E. Seaman Mineral Museum
6.5 x 4.9 x 2.8 cm
$175

Iron City Mine (Empire Mine), Mosquito District, Copper Harbor, Keweenaw Co., Michigan, USA
11.2 x 5.8 x 2 cm
$200

Hill Fissure Mine, Copper Falls, Keweenaw Co., Michigan, USA
5.7 x 1.7 x 1 cm
$150

Keweenaw Peninsula, Michigan, USA
4.6 x 1.2 x 0.7 cm
$25

Central Mine, Central, Keweenaw County, Michigan, USA
6.4 x 5.7 x 2.7 cm
$200

Phoenix Mine, Keweenaw County, Michigan, USA
8.3 x 4.6 x 3.2 cm
$150

Copper Falls Mine, Copper Falls, near Eagle Harbor, Keweenaw County, Michigan, USA
3.5 x 3 x 1 cm
$75

Keweenaw Point, High Rock Bay area, Keweenaw Co., Michigan
2.3 x 1.5 x 1.7 cm
$450

Keweenaw Point, High Rock Bay area, Keweenaw Co., Michigan
x x cm
2.5 x 2.3 x 0.9 and 2.5 x 2.2 x 0.6
$400

Ridge Mine, Ontonagon Co., Michigan
4.2 x 1.7 x 1 cm
$50

Clark Mine, Copper Harbor, Keweenaw County, Michigan
Ex. A. E. Seaman Musuem
2 x 1.8 x 1 cm
$50

Evergreen Mine, Ontanogan Co., Michigan
4 x 2.8 x 1.3 cm
$25

Lake Mine, Ontonagon Co., Michigan
4.7 x 4.2 x 0.7 cm
$40

Houghton Co., Michigan
5.2 x 2.3 x 2.2 cm
$35

Butler lode, Caledonia Mine, Ontonagon Co., Michigan, USA
4.7 x 2 x 2.5 cm
$50

Ojibway Mine, Keweenaw Co., Michigan
Ex. Seaman Mineral Museum
3.1 x 2.1 x 1 cm
$45

Cape Mine, Mosquito District, Copper Harbor, Keweenaw Co., Michigan, USA
Ex. Seaman Mineral Musueum
3.4 x 3.1 x 1.1 and 3.3 x 3.1 x 1.3
$175

Clark Mine, Copper Harbor, Keweenaw County, Michigan, USA
6.5 x 5.2 x 3 cm
$50

Quincy Mine, Quincy Hill, Houghton County, Michigan, USA
5.2 x 4 x 3.7 cm
$50

Flint Steel Mine, Ontonagon County, Michigan, USA
3.6 x 2.5 x 0.8 cm
$20

Flint Steel Mine, Ontonagon County, Michigan, USA
3.6 x 2.4 x 1.1 cm
$35

Lake Mine, Mass City, Ontonagon County, Michigan, USA
5.2 x 4.0 x 1.6 and 4.4 x 4.2 x 1.3 cm
$70

Flint Steel Mine, Ontonagon County, Michigan, USA
4.7 x 4.2 x 0.7 cm
$30

Lake Mine, Mass City, Ontonagon County, Michigan, USA
4.3 x 3.8 x 0.9 cm
$35

Flint Steel Mine, Ontonagon County, Michigan, USA
6.4 x 5.3 x 3.5 cm
$45

Caledonia Mine, Greenland, Ontonagon County, Michigan, USA
Cu₂(NO₃)(OH)₃
4.4 x 3.5 x 2 cm
SOLD

Marquette Iron Range, Michigan
9.7 x 7.1 x 9.8 cm
$25

Taylor Iron Mine, Alberta Twp., Baraga Co., Michigan
11.8 x 9.5 x 6.5 cm
$40

Marquette County, Michigan, USA
5.8 x 5.6 x 3.8 cm
$40

National Mine, National Mine, Tilden Twp., Marquette Co., Michigan
13.8 x 9.2 x 5.8 cm
$75

Homer Mine, Iron Co., Michigan
9.7 x 8.1 x 6.6 cm
$100

Champion Mine, Champion, Marquette Co., Michigan
Ex. A. E. Seaman Museum, Ex. Lance Hampel
7 x 6.9 x 2.5 cm
$40

Sellwood Pit, Ishpeming, Marquette iron range, Marquette Co., Michigan, USA
9.5 x 5.2 x 2.8 cm
$30

Sherwood Mine, Iron County, Michigan USA
7.2 x 4.4 x 4.9 cm
$20

Taylor Iron Mine, Alberta Twp., Baraga Co., Michigan
11.7 x 9.5 x 3 cm
$45

Maybee Quarry, Maybee, Monroe Co., Michigan
5.3 x 3.6 x 3.3 cm
$75