Case 8

Copper in Calcite

Quincy Mine, Houghton County, Michigan Outstanding thumbnail of calcites filled with bright native copper on an epidote and quartz crystal matrix. 3.2 x 2.0 x 2.0cm SOLD TM75-602

Datolite

Bumblebee Mine, Ontonagon County, Michigan Excellent good-size stone from this small mine outside of Rockland, Michigan. Hard to come by locality. 5.6 x 5.7 x 1.9cm SOLD TM21-1227

Copper Crystals

Calumet and Hecla Mine, Houghton County, Michigan Very fine group of copper crystals coated with ?? Ex. Lillian Webb Collection, Ex. Los Angeles County Museum, Ex. Ben Vone collection. 5.0 x 4.3 x 1.3cm SOLD TM19-933

Datolite

Franklin Mine, Houghton County, Michigan Gorgeous color, fracture not bad in person. From the L.L. Hubbard Collection #552, Ex. Seaman Mineral Museum comes with museum display label. 7.0 x 5.3 x 2.8cm SOLD TM21-1228

Copper Skull

Calumet and Hecla Mine, Houghton County, Michigan Great example of this copper formation in the conglomerate lodes. excellent price. 10.2 x 8.5 x 7.3cm SOLD TM75-603

Datolite

Amygdaloid Mine, Keweenaw Couny, Michigan Unusual color from this locality. Not sure what the white inclusions are. acquired in 1992 from John Perona. 5.5 x 4.8 x 1.6cm SOLD TM21-1229

Keweenaw Agates

Keweenaw County, Michigan Beautiful pair of Keweenaw agates. Great color and banding. Collected in 2002. left 5.6 x 3.5cm face right 5.1 x 3.5cm face SOLD TM75-604

Copper in Calcite/Analcites

Phoenix Mine, Keweenaw County, Michigan Beautiful small cabinet specimen has it all. Tenorite coated copper, calcites with bright copper inclusions, and analcites with bright copper inclusions. Fred Smith collection #174, ex. Seaman Mineral Musuem. 7.7 x 6.5 x 5.7cm SOLD TM75-605