Case 8

Fluorite

Silver River Location, Keweenaw County, Michigan Very fine miniature from this locality on the shoreline of Lake Superior. A couple of very nice crystals are in a calcite matrix. Very fluorescent under UV light. 5.0 x 2.9 x 2.5cm SOLD TM75-657

Datolite

Clark Mine, Keweenaw County, Michigan Very large, unusual datolite from the Clark Mine. It is the largest we have had from this mine. 13.5 x 8.8 x 2.7cm SOLD TM21-1324

Copper Crystals

Cliff Mine, Keweenaw County, Michigan Outstanding miniature of larger copper crystals with a great natural patina. 4.1 x 2.6 x 3.3cm SOLD TM19-992

Analcimes

Huron Mine, Houghton County, Michigan Choice thumbnail of a group of analcimes from a seldom seen location. 3.9 x 2.5 x 2.8cm SOLD TM75-658

Datolite

Centennial Mine, Houghton County, Michigan Very fine datolite with a blue/green color due to the copper inclusions. In perfect condition...front & back. 6.3 x 4.3 x 1.6cm SOLD TM21-1325

Copper Crystals

Northwestern Mine, Keweenaw County, Michigan Fabulous crystallization on this small cabinet specimen. Displays well, front and back. 8.0 x 3.2 x 4.5cm SOLD TM19-993