312g Hefty Native Copper w Quartz & Green Epidote - Keweenaw, Michigan
RM 246.35
All items
64g Solid Native Copper Nugget w Quartz & Epidote - Keweenaw, Michigan
RM 62.63
7.7cm Lustrous Piece Of Native Copper found in Keweenaw, Michigan
RM 70.98
Large Botryoidal Prehnite Crystals w Copper - Iroquois Mine, Keweenaw, Michigan
RM 313.16
148g Solid Piece Of Native Copper From Keweenaw, Michigan
RM 121.09
3cm Native Copper Crystal W Quartz Crystals & Pink Feldspar - Osceola Mine, Mich
RM 187.90
8.7cm Nice Calcite Crystal Group - Adventure Copper Mine, Ontonagon, Michigan
RM 521.94
6.5cm Native Sheet Copper w Epidote Matrix- Keweenaw, Michigan
RM 37.58
442g Hefty Solid Chunk of Native Copper w Quartz prospected from Keweenaw, Mich
RM 396.67
135g Gorgeous Native Copper Nugget w Quartz, Epidote & Basalt Keweenaw, Michigan
RM 108.56
Nice Copper Crystal Group prospected from White Pine Mine, Ontonagon co Michigan
RM 521.94
Crystallized Copper On Prehnite - Iroquois Mine, Keweenaw, Michigan
RM 146.14
124g Cuprite Crystal Octagedron Group - Rubtovsk Mine, Altai Krai, Russia
RM 772.47
8.5cm Incredible Botryoidal Hematite Crystal Group - Montreal Mine, Wisconsin
RM 2,083.57
2.5cm Gorgeous Dark Red-Orange Datolite Pair - Franklin Jr Mine, Michigan
RM 2,505.30
3cm Dark Purple Marcasite Crystals w Calcite on Dolomite - Felch Road Cut, MI
RM 146.14
3.5 Inch Copper w Silver On Basalt w Green Epidote Crystals - Keweenaw, Michigan
RM 313.16
2.3cm Interesting Botryoidal Copper Crystal Group - Arcadian Mine, Michigan
RM 187.90
5cm Pretty Datolite Specimen - Isle Royale Copper Mine, Houghton, Michigan
RM 187.90
3.5 Inch Solid Shiny Native Copper Nugget prospected from Keweenaw, Michigan
RM 158.67
Bright Green Prehnite Botryoidal Crystals - Iroquois Copper Mine, Keweenaw, Mich
RM 246.35
4.5cm Pretty Piece Of Native Copper prospected from Keweenaw, Michigan
RM 29.23
17cm Massive Copper Nugget w Quartz & Conglomerate Matrix - Keweenaw, Michigan
RM 1,357.04
3.5cm Great Copper Crystals On Natural Basalt Base - Centennial #2 Mine Michigan
RM 1,457.25
7cm Native Copper w Purple Basalt & Green Epidote - Keweenaw, Michigan, USA
RM 66.81
5.5cm Gorgeous Native Copper Nugget w Black Basalt Matrix - Keweenaw, Michigan
RM 62.63
5cm Solid Native Copper w Quartz Matrix prospected from Keweenaw, Michigan, USA
RM 41.55
12.5cm Big Copper Crystal w Green Prehnite - Iroquois Mine, Keweenaw, Michigan
RM 1,043.88
9cm Gorgeous Clear Quartz Crystal Group - Goose Lake, Marquette, Michigan
RM 1,878.98
5.4cm Gorgeous Pink Rose Quartz Crystals w Green Epidote - St Louis Mine, Mich
RM 271.41
4cm Quartz Crystal Group w Green Epidote & Basalt - Osceola Mine, Michigan
RM 50.11
3.6cm Double Sided Datolite Cluster - Quincy Mine, Michigan
RM 167.02
5cm Quartz w Green Prehnite & Pink Feldspar - Osceola Mine, Michigan
RM 62.63
4 Inch Marked Calumet & Hecla Copper Smelting Bowl Mining Artifact Michigan
RM 956.19
113g Dark Orange Scheelite Crystal Specimen - Sichun Provence, China
RM 313.16
4cm Silver Crystal Group - Copper Falls Surface Deposit (Prehnite Pit) Michigan
RM 1,666.02
Lake Superior Powder Co Letterhead To Quincy Mining Hancock Marquette Michigan
RM 830.92
12cm Elongated Copper Crystal Group - Dover Mine, Houghton Co, Michigan
RM 354.92
12cm Big Solid Copper Nugget w Quartz & Green Epidote - Keweenaw, Michigan
RM 521.94
3.3cm Copper Crystals On Green Chlorite Included Quartz Crystals- Quincy Mine MI
RM 313.16
5.5cm Amazing Orange Datolite w Copper Flecks & Epidote - Franklin Jr Mine, Mich
RM 3,653.56
4cm Yellow Datolite Pair - Mesnard Copper Mine, Houghton, Michigan
RM 939.49
6.5cm Dense Copper Crystal Group w Adularia & Quartz - Indiana Mine, Michigan
RM 747.41
8cm Gorgeous Quartz Crystal Group on Specular Hematite - Republic Mine, Michigan
RM 1,043.88
6.7cm Copper Crystal Group w Golden Domeykite Coating - White Pine Mine Michigan
RM 521.94
Copper Cube Crystal On Copper - Quincy Mine, Michigan
RM 709.84
1lb 5oz Nice Hefty Chunk Of Native Copper Prospected From Keweenaw, Michigan
RM 417.55
4cm Great Blocky Copper Crystal Group - Delaware Mine, Keweenaw, Michigan
RM 1,148.26