Case 7

Copper/Calcite

Central Mine, Keweenaw County, Michigan Excellent thumbnail of a group of calcites crystals that are filled with bright copper. Also, unusual locality for copper in calcites. 2.7 x 2.2 x 2.9cm SOLD TM75-655

Datolite

Bumblebee Mine, Ontonagon County, Michigan Choice datolite from this small mine outside of Rockland Michigan. No fractures in this beauty. 5.0 x 4.1 x 2.0cm SOLD TM21-1322

Copper Crystals

Empire Mine, Keweenaw County, Michigan Haven't had one from this local in a couple of years, and this specimen is a beauty with great crystallization on every side. 4.0 x 2.6 x 2.4cm SOLD TM19-990

Quartz/Chalcopyrite

White Pine Mine, Ontonogon County, Michigan Very fine Quartz crystal with several faces that have small Chalcopyrite crystals on them. 3.7 x 2.6 x 2.8cm $45 TM75-656

Datolite

Connecticut Mine, Keweenaw County, Michigan Outstanding color and in perfect condition. Great Datolite! 5.0 x 6.6 x 2.0cm SOLD TM21-1323

Copper Crystals

Adventure Mine, Ontonagon County, Michigan Great small cabinet specimen with a "spear" of chocolate brown Copper crystals front and center. 4.5 x 2.0 x 5.5cm $75 TM19-991