A
6818
Agate, Banded and Moss with Minor Included Copper

No. 21 shaft, Calumet & Hecla Mine, Calumet, Calumet Township, Houghton Co., Michigan
Ex. A. E. Seaman Museum
3.2 x 2.1 x 2.2 and 3.3 x 2.2 x 1.2 cm
SOLD
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6779
Altered Almandine Garnet, Quartz, Muscovite

Champion Mine, Champion, Marquette Co., Michigan
Ex. Robert Gannon
6.4 x 6 x 6.2 cm
$75
|
6754
Analcime, Copper, Datolite, Chlorite

Osceola Mine, Houghton Co., Michigan
6.5 x 5 x 3.5 cm
$50
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C
6839
Copper Crystals with Adularia Crystals

Northwestern Mine, Keweenaw Co., Michigan
Ex. A. E. Mineral Museum
10 x 4.8 x 3.5 cmThe third dimension listed includes the curve of the specimen; otherwise, the specimen is 1.7 cm at its thickest.
$75
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6829
Copper Crystals on Red Basalt

Keweenaw Co., Michigan
Ex. E. Morales, from Crystal Resources, Jan., 1987
5.1 x 4 x 3 cm
$45
|
6801
Sheet Copper with Attached Nonesuch Shale

White Pine Mine, White Pine, Ontonagon Co., Michigan
Ex. Robert Gannon
21.5 x 17.2 x 1.4 cmCopper is only approximately 1 mm thick.
SOLD
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6767
Copper on Felsic Rock

Mine Dumps of Copper Falls Mine, SE of Eagle Harbor, Keweenaw Co., Michigan
Ex. William Severance from Keeper of the Earth, Collected by Terry Richards, 1994
16 x 9.2 x 10.8 cmCopper measures 9 x 6.3 and is appx. 0.5 cm in thickness
SOLD
|
6687
Copper Crystals with attached Barite and Nonesuch Shale

White Pine Mine, White Pine, Ontonagon Co., Michigan
29.6 x 17 x 3.8 cm
$350
|
6455
Copper Crystals

Central Mine, Keweenaw Co., Michigan
7.9 x 4.4 x 0.7 cm
$85
|
4717
Copper Crystals

Central Mine, Keweenaw Co., Michigan
7.4 x 3.8 x 1.3 cm
$175
|
4127
Copper Crystals with Barite Crystals

White Pine Mine, White Pine, Ontonagon Co.. Michigan
Ex. A. E. Seaman Museum
3.3 x 2.3 x 2.1 cm
$45
|
2742
Copper Dendritic Crystals

White Pine Mine, White Pine, Ontonagon Co., Michigan
23 x 5.3 x 1.8 cm
$250
|
2692
Copper Crystals

Indiana Mine, Ontonagon Co., Michigan
7.1 x 6.2 x 3.8 cm
$300
|
2581
Copper Crystal

Central Mine, Central, Keweenaw County, Michigan, USA
7.7 x 4.5 x 4.2 cm
$75
|
2568
Copper Crystals

Central Mine, Central, Keweenaw County, Michigan, USA
7.3 x 6.8 x 4.6 cm
$400
|
2436
Copper Crystals

Baltic Mine, Baltic, Adams Twp., Houghton County, Michigan, USA
Ex. Seaman Mineral Musueum
13.5 x 7.6 x 1.2 cm
$300
|
1705
Copper Crystals

Flint Steel Mine, Ontonagon County, Michigan, USA
3.8 x 3.9 x 1.6 cm
$145
|
1703
Copper Crystals

Mohawk #6 Mine, Mohawk, Keweenaw County, Michigan, USA
Ex. A. E. Seaman Mineral Museum
12.9 x 5.5 x 0.7 cm
$200
|
1699
Copper Crystals

Central #2 Mine, Central, Keweenaw County, Michigan, USA
Ex. A. E. Seaman Mineral Museum
6.5 x 4.9 x 2.8 cm
$175
|
1633
Copper Crystals

Iron City Mine (Empire Mine), Mosquito District, Copper Harbor, Keweenaw Co., Michigan, USA
11.2 x 5.8 x 2 cm
$200
|
1456
Copper Crystals

Hill Fissure Mine, Copper Falls, Keweenaw Co., Michigan, USA
5.7 x 1.7 x 1 cm
$150 Discounted to $95
|
1280
Copper Crystals

Keweenaw Peninsula, Michigan, USA
4.6 x 1.2 x 0.7 cm
$25 Discounted to $20
|
1092
Copper Crystals

Central Mine, Central, Keweenaw County, Michigan, USA
6.4 x 5.7 x 2.7 cm
$200 Discounted to $150
|
153
Copper Crystals

Copper Falls Mine, Copper Falls, near Eagle Harbor, Keweenaw County, Michigan, USA
3.5 x 3 x 1 cm
$75 Discounted to $60
|
D
6703
Yellow Datolite

Mesnard Mine (Quincy #8 Shaft), Houghton Co., Michigan
3.5 x 3.5 x 2 cm
$450
|
6050
Yellow Datolite

Keweenaw Point, High Rock Bay area, Keweenaw Co., Michigan
x x cm2.5 x 2.3 x 0.9 and 2.5 x 2.2 x 0.6
$400
|
6049
Datolite with Epidote and Native Copper

Ridge Mine, Ontonagon Co., Michigan
4.2 x 1.7 x 1 cm
$50
|
4480
Polished Datolite Nodule

Clark Mine, Copper Harbor, Keweenaw County, Michigan
Ex. A. E. Seaman Musuem
2 x 1.8 x 1 cm
$50
|
3904
Datolite

Evergreen Mine, Ontanogan Co., Michigan
4 x 2.8 x 1.3 cm
$25
|
2925
Datolite, Copper, Microcline, and Epidote

Butler lode, Caledonia Mine, Ontonagon Co., Michigan, USA
4.7 x 2 x 2.5 cm
$50
|
2423
Datolite

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
|
|
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G
6721
Gerhardtite, Calcite

Nebraska Mine, Greenland, Ontonagon County, Michigan, USA
Cu2(NO3)(OH)3
Ex. Rich Whiteman
3.9 x 3.3 x 1.9 cm
SOLD
|
3136
Goethite

Marquette Iron Range, Michigan
9.7 x 7.1 x 9.8 cm
$25
|
1392
Polished Banded Goethite

Marquette County, Michigan, USA
5.8 x 5.6 x 3.8 cm
$40 Discounted to $30
|
H
6772
Specular Hematite with Almaden Garnet Slab Epoxy Coated

Cahmpion Mine, Champion, Marquette Co., Michigan
18.5 x 11 x 1 cm
SOLD
|
3399
Reniforml Hematite

Homer Mine, Iron Co., Michigan
9.7 x 8.1 x 6.6 cm
$100
|
2415
Botryoidal Hematite

Sellwood Pit, Ishpeming, Marquette iron range, Marquette Co., Michigan, USA
9.5 x 5.2 x 2.8 cm
$30
|
1402
Hematite variety: Black Diamond

Sherwood Mine, Iron County, Michigan USA
7.2 x 4.4 x 4.9 cm
$20 Discounted to $15
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M
P
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