Tamarack Minerals Company Logo

Case 12

Copper Crystals

Phoenix Mine, Keweenaw County, Michigan

Large thumbnail of copper crystals intermixed with calcite crystals.

J.T.Reeder specimen #1237 on specimen & the museum label.

3.0 x 2.3 x 2.0cm

SOLD

TM19-1011

Quartz Crystals

Lake Superior Copper District, Michigan

Excellent cabinet specimen of Quartz, Epidote, Pumpellyite & Native Copper. Many of the Quartz crystals have bright native copper inclusions.

Ex. Seaman Mineral Museum #HM 70; comes with label.

9.5 x 6.7 x 7.0cm

SOLD

TM75- 685

Datolite

Clark Adit Mine, Keweenaw County, Michigan

Great color and in perfect condition, Nice medium-size stone.

4.0 x 3.1 x 1.6cm

$55

TM21-1346

Copper Crystals

Iron City Mine, Keweenaw County, Michigan

Choice miniature of nice, sharp copper crystals emerging from a datolite and calcite matrix. Great association.

4.7 x 4.0 x 2.7cm

SOLD

TM19-1012

Datolite

Bumblebee Mine, Ontonagon County, Michigan

Probably the best pair we have had from this mine. Very unusual, with pleasing color, and in perfect condition, front and back.

6.3 x 4.1 x 1.5cm

SOLD

TM21-1347

Laumontite/Copper

Copper Falls Mine, Keweenaw County, Michigan

Very fine 4-inch branch of crystalline copper with laumontite all over it. Ex. Seaman Mineral Museum. Comes with old label.

9.1 x 4.0 x 7cm

SOLD

TM75-686