Copper

Copper

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.9" Bright SILVER on Copper Crystal COPPER HALFBREED Evergreen Mine MI for sale

.9" Bright SILVER on Copper Crystal COPPER HALFBREED Evergreen Mine MI for sale

Copper and silver half-breed specimens like this one from Upper Michigan are high on the bucket list.....
$65.00
1.2" Bright SILVER-on-COPPER HALFBREED Crystals Evergreen Mine Michigan for sale

1.2" Bright SILVER-on-COPPER HALFBREED Crystals Evergreen Mine Michigan for sale

A "half-breed" mineral specimen features a combination of copper and silver in the same piece, a der.....
$100.00
1.5" Rich SILVER & COPPER HALFBREED Shiny Nugget Quincy Mine Michigan for sale

1.5" Rich SILVER & COPPER HALFBREED Shiny Nugget Quincy Mine Michigan for sale

When copper and silver grow together in a single specimen, they are given the quaint name "half-bree.....
$70.00
1.6" Fine Metallic NATIVE COPPER Spinel Twin Crystals Calumet-Hecla MI for sale

1.6" Fine Metallic NATIVE COPPER Spinel Twin Crystals Calumet-Hecla MI for sale

There are some rare spinel twin crystals on this old-time specimen from the Calumet & Hecla Mine.....
$75.00
1.8" SILVER/COPPER HALFBREED Bright RedOrange & ShinySilver Keweenaw MI for sale

1.8" SILVER/COPPER HALFBREED Bright RedOrange & ShinySilver Keweenaw MI for sale

This is a highly aesthetic specimen of "HALFBREED" NATIVE SILVER with NATIVE COPPER from Houghton, O.....
$340.00
1.9" Shiny SILVER &COPPER HALFBREED Crystals Hill Fissure Mine Michigan for sale

1.9" Shiny SILVER &COPPER HALFBREED Crystals Hill Fissure Mine Michigan for sale

The Hill Fissure Mine is famous for producing "halfbreed" copper/silver combination pieces, and this.....
$225.00
10.8" 2.1LB Bright Red Orange VEIN COPPER w/Crystals BothSides Michigan for sale

10.8" 2.1LB Bright Red Orange VEIN COPPER w/Crystals BothSides Michigan for sale

This is a fine example of sheet (float) copper that occurred in a vein in the fabled Caledonia coppe.....
$200.00
2.1" Ray Mine Red CUPRITE Crystals Coating on SpinelTwin COPPER Arizona for sale

2.1" Ray Mine Red CUPRITE Crystals Coating on SpinelTwin COPPER Arizona for sale

Here is a classic specimen of lustrous, wine-red cuprite crystals over flattened, arborescent, spine.....
$150.00
2.2" Spinel Twin COPPER Crystal Very Sharp Unusual Habit China Mine NM for sale

2.2" Spinel Twin COPPER Crystal Very Sharp Unusual Habit China Mine NM for sale

This specimen of crystallized copper comes from a well-documented find at the Chino Mine in New Mexi.....
$300.00
2.8" SpinelLaw Twin COPPER CRYSTAL Natural Patina Terminated New Mexico for sale

2.8" SpinelLaw Twin COPPER CRYSTAL Natural Patina Terminated New Mexico for sale

Spinel-law twin copper crystals are rare, and this well-terminated specimen is a superb example of t.....
$250.00
2.9" BISBEE COPPER Bright RedOrange w/Crystals Copper Queen M AZ 1960 for sale

2.9" BISBEE COPPER Bright RedOrange w/Crystals Copper Queen M AZ 1960 for sale

Here is a nicely formed specimen of crystallized native copper from the historic Copper Queen Mine i.....
$100.00
2.9" Intricate COPPER/SILVER HALFBREED Dark Copper w/ Silver Spots MI for sale

2.9" Intricate COPPER/SILVER HALFBREED Dark Copper w/ Silver Spots MI for sale

The copper on this halfbreed specimen from the Evergreen Mine is a brilliant red-orange, and the nat.....
$250.00
2.9" Spinel-Law Twin Crystallized COPPER w/Hoppering Chino M New Mexico for sale

2.9" Spinel-Law Twin Crystallized COPPER w/Hoppering Chino M New Mexico for sale

Here is a superbly-crystallized specimen of New Mexico copper - a spinel-twin floater with no attach.....
$250.00
3.5" 6oz ShinyRedOrange NATIVE COPPER NUGGET Brightly Polished Michigan for sale

3.5" 6oz ShinyRedOrange NATIVE COPPER NUGGET Brightly Polished Michigan for sale

In the copper mines of the Upper Peninsula of Michigan, pure copper is found in nuggets, like this f.....
$50.00
3.5" Sharp Shiny Spinel Law Twin COPPER Arborescent Crystals Kazakhstan for sale

3.5" Sharp Shiny Spinel Law Twin COPPER Arborescent Crystals Kazakhstan for sale

This is a very fine specimen of crystallized native copper, featuring spinel-law twins which grew in.....
$315.00
3.8" Shiny Penny Orange-Red COPPER Dripping Stalactite Formation MI for sale

3.8" Shiny Penny Orange-Red COPPER Dripping Stalactite Formation MI for sale

This large, elaborate copper formation shines with a bright metallic luster and brilliant orange-red.....
$95.00
3.9" DarkOrange COPPER CRYSTALS 600' Level Cole M Bisbee AZ Closed 1910 for sale

3.9" DarkOrange COPPER CRYSTALS 600' Level Cole M Bisbee AZ Closed 1910 for sale

This large specimen of crystallized NATIVE COPPER comes from the 600' Level, Cole Shaft, Cole Mine, .....
$250.00
4" 8oz Large Glossy Polished Colorful Red Orange COPPER NUGGET Michigan for sale

4" 8oz Large Glossy Polished Colorful Red Orange COPPER NUGGET Michigan for sale

Pure native copper is sometimes found as nuggets in the mines in upper Michigan, and this is a great.....
$55.00
4.1" 6.1oz Lustrous Gleaming Polished Red Orange COPPER NUGGET Michigan for sale

4.1" 6.1oz Lustrous Gleaming Polished Red Orange COPPER NUGGET Michigan for sale

Here is an intriguing specimen- a shiny  copper nugget, with a bright orange-red copper color a.....
$50.00
4.1" Shiny Polished Red-Orange Sculptural Native COPPER NUGGET Michigan for sale

4.1" Shiny Polished Red-Orange Sculptural Native COPPER NUGGET Michigan for sale

This is a copper nugget from Michigan that has a bright red-orange "new as a shiny penny" copper col.....
$70.00