Case 11

Datolite

Keweenaw Point, Keweenaw County, Michigan Great color, in perfect condition, at a very reasonable price. 3.4 x 2.8 x 1.1cm SOLD TM21-1344

Chrysocolla

National Mine, Rockland, Michigan Unusual specimen of chrysocolla that has a copper center. Ex. Seaman Mineral Museum DM15556. Comes with old Michigan College of Mines label and older label attached to the specimen. 5.3 x 4.1 x 2.2cm SOLD TM75-683

Copper Crystals

Northwestern Mine, Keweenaw County, Michigan Superb crystallization on this miniature copper that was etched out of calcite. 4.1 x 4.0 x 1.2cm $125 TM19-1010

Datolite

Nassau Mine, Ontonagon County, Michigan Good size and unusual from this mine outside of Rockland Michigan. 6.2 x 4.5 x 1.9cm SOLD TM21-1345

Silver/Copper

Cliff Mine, Keweenaw County, Michigan Very fine chiseling found at the Cliff Mine site, with lots of silver on the copper. 3.0 x 2.2 x 1.1cm SOLD TM45-253

Natrolite

Phoenix Mine, Keweenaw County, Michigan A first for me!! Never have had a Natrolite from Phoenix till now. This cabinet specimen has 100's of fine needles sitting on the top face. Ex. Seaman Mineral Museum #LGE 136 13.7 x 8.5 x 3.8cm $215 TM75-684