Case 7

Calcite

Lake Superior Copper District, Michigan. Excellent miniature with the large calcite sitting on a matrix of Epidote with smaller Calcites. Ex. J.T. Reeder collection from the Seaman Mineral Museum. 3.6 x 2.5 x 2.7cm SOLD TM75-626

Datolite

Laurium Mine, Houghton County, Michigan. Fine uncut nodule from a rare locality for datolite. 3.0 x 3.0 x 2.3cm SOLD TM21-1266

Copper Crystals

Lake Superior Copper District. Very fine large miniature of copper crystals that are all dodecahedrons. Displays many ways. 5.7 x 2.7 x 2.7cm $110 TM19-956

Silver/Copper

Lake Superior Copper District, Michigan. Very nice spray of silver crystals sitting on a copper matrix. 6.0 x 4.5 x 3.3cm SOLD TM45-243

Datolite

Amygdaloid Mine, Keweenaw County, Michigan. Without a doubt, this is the finest & largest datolite I have seen from this mine. And in perfect condition! 8.4 x 6.7 x 4.1cm $525 TM21-1267

Copper Crystals

Central Mine, Keweenaw County, Michigan. Cabinet size specimen with large blocky crystals that displays front and back. 15.0 x 7.3 x 1.5cm $165 TM19-957