Case 10 – New
Copper Agate
C & H #21 mine, Houghton County, Michigan
Great example of the Agates that have native Copper replacing some of the Agate or its banding. Good size.
2.5 x 1.8 face
SOLD
TM75-722
Datolite
Grand Marais Harbor, Keweenaw County, Michigan
Gorgeous translucent yellow Datolite from the Grand Marais Harbor. Ken Flood found the location while diving.
3.7 x 3.0 x 1.0cm
SOLD
TM21-1386
Copper Crystals
Phoenix Mine, Keweenaw County, Michigan
Very fine branch of copper crystals sitting on a quartz matrix. Ex. Seaman Mineral Museum. Comes with a museum label.
4.1 x 2.2 x 5.2cm
$75
TM19-1037
Analcimes
Lake Superior Copper District, Michigan
Excellent miniature with two large, complete crystals on top of a partially formed crystal. Likely from the Phoenix Mine.
4.0 x 4.5 x 2.7cm
$70
TM75-723
Datolite
Bumblebee Mine, Ontonagon County, Michigan
Nice example from this small mine outside of Rockland, Michigan.
3.8 x 2.6 x 1.1cm
$40
TM21-1387
Copper Crystals
Resolute Mine, Keweenaw County, Michigan
This is the second of the three pieces we acquired from this rare locality. Much better crystals and a great job by the collector in exposing the crystals without using acid. Nice natural patina on the exposed crystals.
3.3 x 1.5 x 5.5cm
SOLD
TM19-1038
Datolite
Quincy Mine, Houghton County, Michigan
Excellent pair in matrix with a pleasing mauve color.
5.0 x 3.8 x 2.0cm
$80/pair
TM21-1388
