Mohawk Mine, Mohawk, Keweenaw County, Michigan, USA
6.1 x 2.7 x 2.2 cm
$35

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

Bisbee, Warren District, Mule Mts, Cochise Co., Arizona, USA
5.9 x 1.5 x 1.6 cm
$100

Rio Cascudo, Laranjeiras do Sul, Parana, Brazil
4.3 x 4.3 x 4 cm
$150

Central Mine, Central, Keweenaw County, Michigan, USA
16.4 x 7.7 x 1.4 cm
$175

Qunicy Mine, Quincy Hill, Houghton County, Michigan, USA
Ex. Jean Peterman Kemp
3.9 x 2.5 x 1.6 cm
$700

Lake Superior Copper District, Michigan
1930s
5.3 x 4.4 x 4.7 cm
$50

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

Ontonagon County, Michigan, USA
5 x 2.5 x 2 cm
$30

Chimney Rock Quarry (Houdaille Industries Quarry; The Bound Brook Quarry; Stavola Industries Quarry), Bridgewater Township, Somerset Co., New Jersey, USA
Ex. Wintringham
7.3 x 3.4 x 0.7 cm
$150

Northwestern Mine, Central, Keweeenaw County, Michigan, USA
4.9 x 3.4 x 3.1 cm
$80

Keweenaw Peninsula, Michigan, USA
12.2 x 10.5 x 5.2 cm
$100

Central Mine, Keweenaw County, Michigan
15.5 x 9 x 4.8 cm
$250

Quincy Mine, Quincy Hill, Houghton County, Michigan, USA
9.3 x 5.5 x 4 cm
$85

Knowlton Mine, Ontonagon County, Michigan, USA
12.2 x 6.4 x 3.6 cm
$100

Cheng Men Shan Deposit, Jiurui Mining District, Jiujiang County, Jiujiang Prefecture, Jiangxi Province, China
9.6 x 8.2 x 4.2 cm
$50

Copper Falls Mine, Copper Falls, near Eagle Harbor, Keweenaw County, Michigan, USA
4.7 x 3.3 x 2.2 cm
$40

Lake Superior Copper District, Upper Peninsula, Michigan, USA
9.2 x 5.2 x 3.8 cm
$45

Cliff Mine, Phoenix, Keweenaw County, Michigan, USA
4.1 x 4 x 1.4 cm
$250

Mission Mine, San Xavier, Sierrita Mountains, Pima County, Arizona, USA
6.7 x 3.6 x 0.8 cm
$20

Caledonia mine, Ontonagon County, Michigan
9.6 x 9.3 x 6.5 cm
$300

Copper Queen Mine, Queen Hill, Bisbee, Warren District, Mule Mountains, Cochise County, Arizona, USA
5.5 x 4.1 x 3.5 cm
$250

Quincy Mine, Quincy Hill, Houghton County, Michigan, USA
7.7 x 5 x 2.7 cm
$650

Lake Superior Copper District, Michigan, USA
10.2 x 6.3 x 4.6 cm
$200

Caledonia mine, Ontonagon County, Michigan
18 x 12.5 x 1 cm Appx. 1 mm thick
$50

Phoenix Mine, Keweenaw County, Michigan, USA
8.3 x 4.6 x 3.2 cm
$200

Osceola Mine, Osceola, Houghton County, Michigan, USA
3 x 2 x 1.1 cm
$35

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

Central Mine, Keweenaw County, Michigan, USA
13.5 x 8 x 1 cm
$175

Cheng Men Shan Deposit, Jiurui Mining District, Jiujiang County, Jiujiang Prefecture, Jiangxi Province, China
3.5 x 3 x 1.4 cm
$45

Lake Superior Copper District, Michigan, USA
16 x 5 x 3 cm
$250

Osceola No. 5, Osceola Mine, Osceola, Houghton Co., Michigan, USA
10.3 x 7.3 x 4.1 cm
$20

Mass Mine, Mass City, Ontonagon County, Michigan, USA
5.7 x 3.8 x 1.2 cm
$35

Caledonia Mine, Greenland, Ontonagon County, Michigan, USA
3.5 x 2.2 x 1.3 cm
$20

Quincy Mine, Quincy Hill, Houghton County, Michigan, USA
7.5 x 4.5 x 2 cm
$100

Keweenaw Couny, Michigan, USA
Type Location
Ca₂MgAl₂(Si₂O₇)(SiO₄)(OH)₂·H₂O
9.4 x 8.7 x 4.7 cm
$40

Minesota Mine, Ontonagon County, Michigan. USA
5.8 x 2 x 1.5 cm
$100

Houghton County, Michigan, USA
8.7 x 8.6 x 1.3 cm 170 g
$200

Lake Superior Copper District, Michigan
5 x 3.8 x 2.8 cm
$475

Adventure mine, Butler Lode, Greenland, Ontonagon County, Michigan, USA
6 x 6 x 6.8 cm
$175

Calumet and Hecla Lode, Houghton County, Michigan, USA
9.3 x 6.4 x 4.8 cm
$150

Copper Falls Mine, Keweenaw County, Michigan, USA
6 x 5 x 3 cm
$175