- MD-118138
- Copper, Prehnite
- Osceola Mine, Osceola, Houghton Co., Michigan, USA
- Miniature
- 4.7 x 3.7 x 2.5 cm
SOLD
- MD-47632
- Copper
- Champion Mine, Painesdale, Houghton Co., Michigan, USA
- Miniature
- 4.2 x 2.4 x 1.8 cm
SOLD
- MD-60842
- Copper
- Champion Mine, Painesdale, Houghton Co., Michigan, USA
- Miniature
- 3.2 x 1.3 x 1.0 cm
SOLD
- MD-261636
- Copper
- Champion Mine, Painesdale, Houghton Co., Michigan, USA
- Cabinet
- 12.4 x 7.1 x 6.0 cm
SOLD
- MD-266269
- Copper
- Champion Mine, Painesdale, Houghton Co., Michigan, USA
- Small Cabinet
- 8.5 x 4.2 x 3.2 cm
SOLD
- MD-276318
- Copper
- Copper Harbor Conglomerate, Houghton Co., Michigan, USA
- Large Cabinet
- 21.3 x 11.0 x 6.5 cm
SOLD
- MD-19055
- Copper
- Quincy Mine, Hancock, Houghton Co., Michigan, USA
- Miniature
- 6.8 x 4.3 x 2.5 cm
SOLD
- MD-19429
- Copper
- Quincy Mine, Hancock, Houghton Co., Michigan, USA
- Miniature
- 5.0 x 3.2 x 2.6 cm
SOLD
- MD-20852
- Copper
- Quincy Mine, Hancock, Houghton Co., Michigan, USA
- Cabinet
- 10.5 x 8.3 x 4.0 cm
SOLD
- MD-49583
- Copper, Calcite
- Quincy Mine, Hancock, Houghton Co., Michigan, USA
- Thumbnail
- 8.5 x 6.5 x 5.5 cm
SOLD
- MD-52136
- Copper, Calcite
- Quincy Mine, Hancock, Houghton Co., Michigan, USA
- Miniature
- 3.2 x 2.5 x 2.5 cm
SOLD
- MD-65460
- Copper
- Quincy Mine, Hancock, Houghton Co., Michigan, USA
- Large Cabinet
- 18.8 x 13.4 x 6.9 cm
SOLD
- MD-119308
- Copper
- Quincy Mine, Hancock, Houghton Co., Michigan, USA
- Thumbnail
- 2.3 x 2.3 x 1.4 cm
SOLD
- MD-220788
- Copper
- Houghton Co., Michigan, USA
- Miniature
- 4.9 x 3.6 x 1.2 cm
SOLD
- MD-33945
- Copper
- Calumet Township, Houghton Co., Michigan, USA
- Small Cabinet
- 8.0 x 8.0 x 6.0 cm
SOLD
- MD-57080
- Copper, Datolite
- Calumet, Calumet Township, Houghton Co., Michigan, USA
- Cabinet
- 9.5 x 8.0 x 5.9 cm
SOLD
- MD-57096
- Copper
- Calumet, Calumet Township, Houghton Co., Michigan, USA
- Small Cabinet
- 7.1 x 5.9 x 4.6 cm
SOLD
- MD-117559
- Copper
- Calumet & Hecla Mine, Calumet, Calumet Township, Houghton Co., Michigan, USA
- Cabinet
- 10.8 x 9.0 x 6.0 cm
SOLD
- MD-118176
- Copper
- Red Jacket shaft, Calumet & Hecla Mine, Calumet, Calumet Township, Houghton Co., Michigan, USA
- Cabinet
- 12.0 x 11.0 x 8.5 cm
SOLD
- MD-20134
- Copper
- Centennial No. 2 Shaft, Centennial Mine, Centennial, Houghton Co., Michigan, USA
- Cabinet
- 11.75 x 7.75 x 4.3 cm
SOLD
- MD-57355
- Copper, Calcite
- Houghton Co., Michigan, USA
- Small Cabinet
- 6.0 x 5.5 x 4.4 cm
SOLD
- MD-23723
- Copper, Quartz, Epidote, Prehnite, Calcite
- Houghton Co., Michigan, USA
- Miniature
- 4.6 x 3.7 x 2.1 cm
SOLD
- MD-27107
- Copper
- Houghton Co., Michigan, USA
- Cabinet
- 9.7 x 8.6 x 2.0 cm
SOLD
- MD-27204
- Copper
- Houghton Co., Michigan, USA
- Cabinet
- 10.1 x 8.0 x 3.0 cm
SOLD
385-408 of 919 Items