Case 11

Datolite

Flintsteel Mine, Ontonagon County, Michigan Beautiful deep color set off by a lacy white border. 3.6 x 2.4 x 1.1cm $85 TM21-1277

Copper Crystals

Champion Mine, Houghton County, Michigan Outstanding large miniature consisting of inter-grown spears of copper crystals. 6.5 x 3.8 x 1.2cm SOLD TM19-963

Datolite

Drexel Mine, Keweenaw County, Michigan Excellent stone with an opaque tan/yellow color. 4.7 x 3.7 x 1.7cm $80 TM21-1278

Calcite/Copper

Phoenix Mine, Keweenaw County, Michigan Choice miniature of arborescent copper crystals coated with micro calcite crystals and a large calcite crystal sitting on the tip. 4.5 x 1.9 x 2.9cm $225 M75-630

Copper Crystals

St. Clair Mine, Keweenaw County, Michigan Very fine miniature of copper crystals (some with a tenorite coating) from a mine that is now closed to collecting. 2.2 x 1.5 x 5.0cm $85 TM19-964

Datolite

Quincy Mine, Houghton County, Michigan Very unusual and good size datolite from the Quincy. Have only seen these orange lines from one other mine, the Empire. Ex. Bruce & Peg Fowler Collection. 8.6 x 5.8 x 5.0cm SOLD TM21-1279

Pyrite

White Pine Mine, Ontonagon County, Michigan Haven't had one of these in years. Fine thumbnail made up of multiple crystals of pyrite. 2.3 x 3.3 x 2.0cm SOLD TM75-631