Case 10

Copper Crystals

Phoenix Mine, Keweenaw County, Michigan Excellent miniature with some of the crystals having a tenorite coating. 2.3 x 2.1 x 5.0cm $85 TM19-996

Calcite Crystal

White Pine Mine, Ontonagon County, Michigan Very fine calcite with hematite and cuprite inclusions. Fluoresces orange under UV. 3.2 x 2.7 x 5.0cm SOLD TM75-660

Datolite

Arcadian Mine, Houghton County, Michigan Fine pair with a nice copper color due to copper inclusions in the datolite. From another locality that is gone. 3.4 x 3.2 x .8cm $55/pair TM21-1328

Copper Crystals

Nebraska Mine, Ontonagon County, Michigan Choice small cabinet specimen of tenorite coated copper crystals. Hard to get this nice. 5.3 x 4.5 x 3.4cm $225 TM19-997

Datolite

South Cliff Mine, Keweenaw County, Michigan Excellent medium size datolite with a very unusual appearance. Again, this locality is now history. 5.8 x 5.0 x 2.2cm SOLD TM21-1329

Quartz Crystals

Ojibway Mine, Keweenaw County, Michigan Great plate of quartz crystals with chlorite inclusions. Ojibway was the only location for these unique specimens. Best we have had in 15 years. 10.8 x 8.8 x 4.5cm SOLD TM75-661