Case 11

Copper in Calcite

Quincy Mine, Houghton County, Michigan Nice showy thumbnail of this desirable combination. 3.0 x 2.3 x 1.3cm SOLD TM75-576

Copper Crystals

Northwestern Mine, Keweenaw County, Michigan Great crystallization on this fine small miniature. 3.3 x 2.0 x 2.1cm SOLD TM19-900

Datolite

C&H 21 Mine, Houghton County, Michigan One of the most unusual colors I have seen from #21. 4.6 x 3.4 x 1.7cm SOLD TM21-1174

Greenstones

Central Exploration Mine, Keweenaw County, Michigan Excellent small cabinet specimen showing off several greenstones in basalt, with a large greenstone being the center of attention. 9.0 x 7.0 x 2.8cm SOLD TM75-577

Analcimes

Northwestern Mine, Keweenaw County, Michigan Very fine small cabinet specimen with a dozen or more white analcimes sitting right on top. 6.4 x 6.1 x 5.4cm SOLD TM75-578

Copper Crystals

Phoenix Mine, Keweenaw County, Michigan Killer crystallization with intertwined branches of sharp copper crystals. 3.7 x 2.8 x 1.7cm SOLD TM19-901

Datolite

Isle Royale NP, Keweenaw County, Michigan Good size Datolite with very unusual color, set off by the white inclusions around the border. 7.0 x 5.8 x 1.6cm SOLD TM21-1175