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Beautifully Crystalized Native Copper Specimen - Phoenix Mine, Michigan
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Branching Crystalized Native Copper - Keweenaw Peninsula, Michigan
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1.25 POUND Michigan Glacial FLOAT COPPER Specimen Keweenaw Native Copper Float
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Rare Huge Native Copper Sheet -White Pine Mine, Michigan.
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Crystallized Copper, Mohawk Mine, Michigan
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Chunk of NATIVE COPPER Firebrick Specimen QUINCY MINE SMELTER MICHIGAN 6”
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Calcite with Copper Inclusions on Copper with Epidote - Quincy Mine, Michigan
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Unique Native Glacial FLOAT COPPER NUGGET Specimen Keweenaw Michigan
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Larger! Super Heavy Pure COPPER Sphere From Michigan 282gr
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Copper Harbor Red Conglomerate Slab NATIVE COPPER Keweenaw Peninsula Michigan
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Rare Native Copper And Silver -White Pine Mine, Michigan
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Rare Native Copper In Calcite -Quincy Mine, Michigan
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RARE! Native Copper In Calcite -Keweenaw Peninsula, Michigan.
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Native Copper/Silver "Halfbreed" -Keweenaw Peninsula, Michigan
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2.5 POUND Michigan Glacial FLOAT COPPER Specimen Keweenaw Native Copper Float
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Michigan Native Copper Ore Slab With White Quartz In Basalt Keweenaw Copper
$20.00
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5.3" Polished Glacial Native FLOAT COPPER Butchite Specimen - Michigan - 2 lbs
$84.00
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Michigan Glacial FLOAT COPPER Specimen Keweenaw Native Copper Float (150 Grams)
$17.00
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Mini Native Copper Skull - Central Mine, Michigan
$45.00
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Rare Copper Replacement Agate - Keweenaw Peninsula Michigan -Copper-Banded Agate
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Copper Harbor Red Conglomerate Slab NATIVE COPPER Keweenaw Peninsula Michigan
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Michigan Float Copper Specimen - Polished-Michigan - 11.5 Pounds With Fold
$248.50
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SS Rocks - Copper Crystals (Champion Mine, Houghton Co, Michigan) 3.81g
$200.00
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4.4 Oz - Michigan Glacial Native FLOAT COPPER Specimen - Keweenaw, Michigan
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Michigan Mining Mineral Native Glacial Float Copper Specimen Keweenaw Rock 7.2OZ
$20.00
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6.6 Oz - Michigan Glacial Native FLOAT COPPER Specimen - Keweenaw, Michigan
$16.00
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Michigan Glacial Float Copper With Quartz Specimen -7.25lbs
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Large Native Copper "Sheet" Specimen - Keweenaw Peninsula Michigan
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Small Native Copper Specimen - Quincy Mine Keweenaw Michigan
$8.00
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Beautiful Native Copper And White Quartz - Wolverine Mine, Michigan
$55.00
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Incredible Native Copper Skull Specimen -Keweenaw Peninsula Michigan
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7.7 Oz - Michigan Glacial Native FLOAT COPPER Specimen - Keweenaw, Michigan
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Float & Vein Copper from Copper Country of Upper Michigan 4 Pieces
$19.99
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4 Oz - Michigan Glacial Native FLOAT COPPER Specimen - Keweenaw, Michigan
$14.50
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4.2 Oz - Michigan Glacial Native FLOAT COPPER Specimen - Keweenaw, Michigan
$13.00
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Native Copper Keweenaw Co., Michigan, Unknown Mine 151.2 G Raw Natural Specimen
$75.00
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Well Crystalized Native Copper -Phoenix Mine, Michigan
$250.00
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Float Copper Boulder 21.5 Lbs Copper Country of Upper Michigan Nice Colors
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Native Copper In Matrix. Keweenaw Peninsula, Michigan
$40.00
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Beautiful Native Copper, Quartz And Calcite- Keweenaw Peninsula Michigan
$65.00
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Rare 6.2 Lbs Native Copper, Large Chunky Crystals - Central Mine, Michigan
$800.00
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Central Mine Spinel Twinned Copper Crystal (thumbnail)
$75.00
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RARE Copper Replacement Agate Mine Keweenaw Peninsula, Michigan
$50.00
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4.5" NATIVE COPPER NUGGET - Keweenaw Peninsula, Michigan - 2.5 lbs.
$128.00
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6.4 Oz. Conglomerate Copper Slab Keweenaw Peninsula Michigan! RE3020
$22.95
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Native Copper Keweenaw Co., Michigan, Unknown Mine 106g Estate Specimen
$70.00
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Copper/silver nugget, "halfbreed", Michigan, USA
$42.00
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Raw Native Copper Specimen- Natural 2.2” Michigan Native Copper Ore Crystal
$24.95
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1.6 Lb - Michigan Glacial Native FLOAT COPPER Specimen - Keweenaw, Michigan
$60.00
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Central Mine Prehnite + Minor Copper Crystals (miniature)
$40.00
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LARGE Native Glacial FLOAT COPPER Nugget Specimen Keweenaw Michigan
$26.00
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2 Pieces of White Datolite Specimen Keweenaw Peninsula, Michigan Copper Harbor
$25.00
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MICHIGAN COPPER MINING - HISTORICAL COLLECTIBLE - QUINCY MINE - COPPER INGOT- UP
$1977.00
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LARGE Native Glacial FLOAT COPPER Nugget Specimen Keweenaw Michigan
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Copper / Cliff Mine, Michigan / Thumbnail Mineral Specimen
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MICHIGAN Glacial FLOAT COPPER Specimen - Michigan Native Copper
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Float Copper Ore Decorator - Michigan Native Copper #25
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Native Copper Glacial Float Copper Nugget Keweenaw Peninsula, Michigan (12 Oz)
$33.00
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Copper Crystals Mass Mine Ontonagon Michigan Mi
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Larger! Super Heavy Pure COPPER Sphere From Michigan 286gr
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150 Gram Native Glacial FLOAT COPPER Specimen Keweenaw Peninsula, Michigan
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2025 P/D AMERICAN INNOVATION $1 COIN MICHIGAN 2 COINS (!PRESALE!) SPRING
$4.00
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INCREDIBLE RARE OCC OLD COPPER CULTURE FISH HOOK FOUND IN LUCE CO MICHIGAN MI
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Rare Copper Replacement Agate - Keweenaw Peninsula Michigan -Copper-Banded Agate
$109.99
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Large Native Copper Specimen- Natural 2.4” Michigan Native Copper Ore Crystal
$26.95
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8 Oz Glacial Native FLOAT COPPER NUGGET Specimen Keweenaw Michigan Copper
$19.00
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Silver Crystal Quincy Copper Mine Hancock Michigan Mi
$59.50
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Analcime Crystal Micro Copper Falls Mine Keweenaw Co MICHIGAN USA
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NATIVE COPPER & CALCITE CRYSTALS - KEWEENAW LAKE SUPERIOR MICHIGAN COPPER MINING
$375.00
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One Of A Kind Quincy Copper Mine Draft Hancock Michigan 1889 Mi
$249.00
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5" Rough NATIVE COPPER Specimen - Keweenaw Peninsula, Michigan
$44.00
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4lb 1oz HUGE NATIVE COPPER SCULPTURE from Keweenaw, Michigan 💥 MUSEUM QUALITY
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NATIVE COPPER CRYSTAL - NORTHWESTERN COPPER MINE KEWEENAW LAKE SUPERIOR MICHIGAN
$1500.00
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Six Michigan Glacial Native FLOAT COPPER Specimens - Keweenaw, Michigan
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Raw Copper Nugget, Natural Copper from Michigan, USA
$18.99
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LARGE Native Glacial FLOAT COPPER Nugget Specimen Keweenaw Michigan
$40.00
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1 Pound of 1/4" to 3/8" Tumbled Copper Nuggets Natural Michigan Native Cu Ore
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Native Michigan Copper Keweenaw Unknown Mine 472g Estate Specimen Raw Vein Lake
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Quality Michigan Copper Crystal Keweenaw Native Cu Specimen Rare
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Heavy! COPPER Nugget or Native Copper Float 100% Natural Michigan 109gr
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Copper Sphere Native Michigan Polished Solid Ball with Stand 39mm 277g D0061
$14.99
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Native Copper Nugget from Keweenaw Peninsula, Michigan (72.4 grams)
$13.50
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170 Gram - Michigan Glacial Native Float Copper and Silver - Keweenaw, Michigan
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Cuprite On Copper Keweenaw Co MICHIGAN USA
$16.59
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SIX 30mm (1.18") Solid Michigan 99.99 Copper Balls/Spheres, 1.65 pounds total
$33.00
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175 Gram Native Glacial FLOAT COPPER NUGGET Specimen Keweenaw Michigan
$19.99
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Native Glacial FLOAT COPPER Specimen Crystal Quartz Keweenaw Michigan
$18.00
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Datolite Quincy Copper Mine Hancock Michigan
$65.00
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Native Copper Nugget from Keweenaw Peninsula, Michigan (80.7 grams)
$13.50
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Michigan College Of Mines Watch Fob Michigan Tech Houghton Michigan Copper...
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Copper In Matrix Caledonia Mine Ontonagon Co MICHIGAN USA
$12.70
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8.4 Oz Native Glacial FLOAT COPPER Specimen Keweenaw Peninsula, Michigan
$25.00
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Large Native Copper Crystal! Keweenaw Peninsula, Michigan
$125.00
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Native Copper With Large Crystals -Keweenaw Peninsula, Michigan
$165.00
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