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Minerals from the Lake Superior Region: Michigan, Wisconsin, and Minnesota

You might want to check out the Michigan - Minnesota Mineral Catalog also

Images below
are hyperlinked....click mineral to enlarge

To order a mineral give the mineral name and the number of the specimen(s) you wish to purchase.
You will receive that exact specimen. 

Satisfaction is guaranteed. 
   





Native Copper in matrix
with a drill head impression

Mineral # 861

Caledonia Mine, Ontonagon County, Michigan

$ 395

11 x 9 x 7.5 cm       over 800 grams





Native Copper in matrix
with a drill head impression

Mineral # 861

Another view showing native copper on and in this specimen

Drill impression is still visible from this side view; the tag holds a specimen identification
held in place by, wait for it, copper wire which loops through a natural hole in the specimen







Native Copper in matrix
with a drill head impression

Mineral # 861

View of another side of this specimen showing seams in and on the attractive matrix rock which
has bits of copper through it also; remember to click all specimens to enlarge them






Native Copper in matrix
with a drill head impression

Mineral # 861

Another view of this attractive copper specimen showing another structual feature: a pocket near
the bottom in this view and just below the drill impression which has strange, little, attractive elevations in it 









Celestite

Mineral # 851

Maybee, Michigan

5 x 3.5 x 4.5 cm

 $ 65

Beautiful light blue crystals scattered over this specimen; it also has unidentified yellow crystals, perhaps sulfur?









Copper Arsenides (mainly Algodonite)

Mineral # 1955

Pancake Bay, Lake Superior, North of Sault Ste. Marie, Ontario

8 x 5 x 1 cm

 $ 195

Thick rock slice (7mm), of calcite and host rock with embedded copper Arsenides with copper












Copper Arsenides (mainly Algodonite)

Mineral # 1956

Pancake Bay, Lake Superior, North of Sault Ste. Marie, Ontario

9.5 x 8 x 1 cm

$ 175

Thick rock slice (7mm), of calcite and host rock with embedded copper Arsenides













Copper with Black Shale


Mineral # 852

White Pine Mine, Ontonagan County, Michigan

9.5 x 4.5 x 0.5 cm

$ 59

Flat specimens with a sharp contrast between the bright copper and the black shale; some specimens with native rock matrix









Copper 

Mineral # 853

Caledonia Mine, Ontonagon County, Michigan

5.5 x 3.5 x 1.5 cm

$ 49

This copper is very bright and has  slight reddish coloration









Copper 

Mineral # 854

Mohawk Mine, Michigan Upper Peninsula


7 x 4 x 2 cm

$ 69

Native copper with a natural green-gray rock matrix











Copper Nugget

Mineral # 855

Keweeknaw County, Michigan

7.5 x 5 x 1.5 cm

 $ 55

Large Natural Nugget of Copper

 





Copper Float

Mineral # 856

 Michigan Upper Peninsula

6.5 x 4 x 2 cm

$ 69

Pieces of copper dropped by glaciers; the copper is exposed and polished on one surface
The unaltered surface is a bright green
Float specimens can also be found in Wisconsin and upper Michigan











Copper, Kearsarge Amygdaloid

Mineral # 857

Mohawk Mine, Michigan Upper Peninsula

11 x 4 x 1 cm

 $ 45

An elongate, slender piece of native copper as mined surrounded by rock matrix












Copper, Kearsarge Amygdaloid

Mineral # 857

Mohawk Mine, Michigan Upper Peninsula



Another closer view of above specimen so you can see copper through the matrix rock; a native rock is still attached to the left surface of the specimen



 








Mohawkite 

Mineral # 858

Keweenaw County, Michigan USA


 6 x 5.5 x 2.5 cm

$ 95

These are silver and/or copper colored metallic rocks composed of copper Arsenides and contain cobalt, silver, nickel and iron

 These are thought to have dropped by the glaciers (i.e., they always have one flat side) 













Prehnite pseudomorph after Laumontite containing copper inclusions

MIneral # 859

Knife River, North Shore of Lake
Superior, Minnesota


7 x 4.5 x 2.5 cm

 $ 85

A light green to pink mineral with copper
specks throughout the specimen

 









Chalcocite, Bornite, and Copper

Mineral # 860

Flambeau Mine, Lady Smith, Wisconsin


5 x 4 x 4 cm

$ 150


   





Chalcocite, Bornite, and Copper

Mineral # 860

Flambeau Mine, Lady Smith, Wisconsin

View on the opposite side from above; attractive dark bluish purple ore specimen ;
if you cut these ore samples open you sometimes find covellite inside also
   




Chalcocite, Bornite, and Copper

Mineral # 860

Flambeau Mine, Lady Smith, Wisconsin

A closeup jpeg taken showing one side of the ore sample
   
   
   


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