Case 8

Copper Crystals

Central Mine, Keweenaw County, Michigan Nice sharp crystals on this excellent miniature, front and back. 6.1 x 3.5 x 1.2cm SOLD TM19-946

Datolite

Arcadian Mine, Houghton County, Michigan Fine datolite from a locality that is now gone. Ex. Dr. Donald Kelman's Collection via John Perona 2002. 3.7 x 2.7 x 1.5cm SOLD TM21-1251

Prehnite

Tamarack Mine, Houghton County, Michigan Great example of prehnite with copper crystals from the famous Tamarack Mine. ex. Seaman Mineral Museum #AIL 110. 6.5 x 4.8 x 2.3cm SOLD TM75-618

Datolite

Superior Mine, Ontonagon County, Michigan Beautiful large datolite for this locality in perfect condition, front and back. Ex. Paul LaBonte Collection. 6.6 x 5.7 x 2.2cm SOLD TM21-1252

Copper Crystals

Cliff Mine, Keweenaw County, Michigan Large tenorite coated copper crystals from the famous Cliff Mine. Choice small cabinet specimen. 8.2 x 4.0 x 4.6cm SOLD TM19-947

Datolite

Quincy #5 Mine, Houghton County, Michigan Very fine specimen with yellow and rose coloring. Ex. Dr. Donald Kelman's collection via John Perona 2001. 3.5 x 2.4 x 1.1cm SOLD TM21-1253