442g Hefty Solid Chunk of Native Copper w Quartz prospected from Keweenaw, Mich
£72.49
All items
Crystallized Copper On Prehnite - Iroquois Mine, Keweenaw, Michigan
£26.71
64g Solid Native Copper Nugget w Quartz & Epidote - Keweenaw, Michigan
£11.45
4.5cm Outstanding Copper Smelting Artifact Specimen - Calumet & Hecla Mining MI
£133.54
312g Hefty Native Copper w Quartz & Green Epidote - Keweenaw, Michigan
£45.02
3.1cm Solid Silver Crystal Group - Cliff Mine, Keweenaw, Michigan
£171.69
3cm Native Copper Crystal W Quartz Crystals & Pink Feldspar - Osceola Mine, Mich
£34.34
Large Botryoidal Prehnite Crystals w Copper - Iroquois Mine, Keweenaw, Michigan
£57.23
6.5cm Native Sheet Copper w Epidote Matrix- Keweenaw, Michigan
£6.87
135g Gorgeous Native Copper Nugget w Quartz, Epidote & Basalt Keweenaw, Michigan
£19.84
7.7cm Lustrous Piece Of Native Copper found in Keweenaw, Michigan
£12.97
148g Solid Piece Of Native Copper From Keweenaw, Michigan
£22.13
124g Cuprite Crystal Octagedron Group - Rubtovsk Mine, Altai Krai, Russia
£141.17
8.5cm Incredible Botryoidal Hematite Crystal Group - Montreal Mine, Wisconsin
£380.77
15.5cm Huge Golden Pyrite Crystals w Limonite & Quartz - Hiawatha Mine, Michigan
£362.46
4 Inch Marked Calumet & Hecla Copper Smelting Bowl Mining Artifact Michigan
£174.74
1.2cm Incredible Blue & Red Banded Agate Pair - St Louis Copper Mine, Michigan
£98.44
7cm Native Copper w Purple Basalt & Green Epidote - Keweenaw, Michigan, USA
£12.21
3cm Dark Purple Marcasite Crystals w Calcite on Dolomite - Felch Road Cut, MI
£26.71
4.5cm Pretty Piece Of Native Copper prospected from Keweenaw, Michigan
£5.34
Clear Analcime Crystals On Matrix 6cm Specimen - Keweenaw Peninsula, Michigan
£113.70
12cm Big Solid Copper Nugget w Quartz & Green Epidote - Keweenaw, Michigan
£95.38
9cm Gorgeous Clear Quartz Crystal Group - Goose Lake, Marquette, Michigan
£343.38
5cm Quartz w Green Prehnite & Pink Feldspar - Osceola Mine, Michigan
£11.45
12cm Elongated Copper Crystal Group - Dover Mine, Houghton Co, Michigan
£64.86
Bright Green Prehnite Botryoidal Crystals - Iroquois Copper Mine, Keweenaw, Mich
£45.02
5.4cm Gorgeous Pink Rose Quartz Crystals w Green Epidote - St Louis Mine, Mich
£49.60
5.5cm Amazing Orange Datolite w Copper Flecks & Epidote - Franklin Jr Mine, Mich
£667.68
6.5cm Dense Copper Crystal Group w Adularia & Quartz - Indiana Mine, Michigan
£136.59
5.5cm Gorgeous Native Copper Nugget w Black Basalt Matrix - Keweenaw, Michigan
£11.45
5cm Pretty Datolite Specimen - Isle Royale Copper Mine, Houghton, Michigan
£34.34
3.3cm Copper Crystals On Green Chlorite Included Quartz Crystals- Quincy Mine MI
£57.23
12cm Nice Hollow Copper Crystal Group - Wolverine Mine, Michigan
£228.92
The Baldwin Lamp Vintage Miners Carbide Lamp Pat 1900 Copper Mining
£209.84
8.7cm Nice Calcite Crystal Group - Adventure Copper Mine, Ontonagon, Michigan
£95.38
2.3cm Interesting Botryoidal Copper Crystal Group - Arcadian Mine, Michigan
£34.34
3.6cm Double Sided Datolite Cluster - Quincy Mine, Michigan
£30.52
5cm Solid Native Copper w Quartz Matrix prospected from Keweenaw, Michigan, USA
£7.59
6.7cm Copper Crystal Group w Golden Domeykite Coating - White Pine Mine Michigan
£95.38
8cm Gorgeous Quartz Crystal Group on Specular Hematite - Republic Mine, Michigan
£190.77
4.2cm Gorgeous Copper & Green Prehnite Nugget - Iroquois Mine, Michigan
£22.89
3.5 Inch Copper w Silver On Basalt w Green Epidote Crystals - Keweenaw, Michigan
£57.23
3.5cm Great Copper Crystals On Natural Basalt Base - Centennial #2 Mine Michigan
£266.31
4cm Great Blocky Copper Crystal Group - Delaware Mine, Keweenaw, Michigan
£209.84
5cm Nice Copper Crystal Group prospected from the Central Mine, Keweenaw, MI
£110.64
4cm Yellow Datolite Pair - Mesnard Copper Mine, Houghton, Michigan
£171.69
17cm Massive Copper Nugget w Quartz & Conglomerate Matrix - Keweenaw, Michigan
£248.00
4cm Green Prehnite & Epidote w Quartz Crystals on Red Feldspar - Osceola Mine MI
£22.89