Case 12

Silver Crystals

Tamarack Mine, Houghton County, Michigan Nice group of sharp silver crystals on a copper matrix, and as a bonus, a nice copper cube is extended from the bottom section of copper. 3.3 x 2.0 x 1.7cm SOLD TM45-232

Datolite

Caledonia Mine, Ontonagon County, Michigan Nice deep color set off by the blueish-white border with black veining. 4.0 x 3.2 x 1.0cm SOLD TM21-1176

Copper Crystals

Northwestern Mine, Keweenaw County, Michigan Awesome crystallization on all sides of this beauty. 6.0 x 3.5 x 3.5cm SOLD TM19-902

Greenstones

Central Exploration Mine, Keweenaw County, Michigan The other half of the specimen in Case 11, and every bit as good. 8.5 x 7.3 x 2.3cm SOLD TM75-579

Datolite

C&H #21 Mine, Houghton County, Michigan Very fine example of the "spider webbing" datolite that comes from #21. The webbing is all copper. 5.3 x 3.8 x 3.0cm SOLD TM21-1177

Copper Crystals

Seneca #1 mine, Keweenaw County, Michigan Two good size copper crystals sitting in matrix. There are not many copper crystals that come from this locality. Ex Seaman Mineral Museum w/label. 4.8 x 4.7 x3.1cm SOLD TM19-903

Datolite

Quincy Mine, Houghton County, Michigan Fabulous color in this datolite. Without the fracs, this would be a $500+ specimen. Even with the fracs, this one jumps out at you from your display case. 8.2 x 7.5 x 4.7cm SOLD TM21-1178