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Case 10

Datolite

Quincy Mine #2, Houghton County, Michigan

Very fine yellow datolite from Quincy. Can no longer collect there, so these are hard to come by.

3.0 x 1.7 x 1.5cm

SOLD

TM21-1369

Copper Crystals

Phoenix Mine, Keweenaw County, Michigan

Outstanding cubic crystallization on this competition quality miniature Copper that has never seen a drop of acid. Beautiful patina!

3.6 x 2.6 x 1.7cm

SOLD

TM19-1027

Paratacamite

Centennial #2 Mine, Houghton County, Michigan

Scarce copper mineral collected July 23, 1999 when there was still a rock pile. There will be no more of these.

4.0 x 3.7 x 3.2cm

SOLD

TM75-711

Datolite

Deleware Mine, Keweenaw County, Michigan

Excellent medium-sized datolite with great color set off by the white border. In perfect condition, no chips or fractures.

5.4 x 4.0 x 1.9cm

SOLD

TM21-1370

Copper Crystals

Point Prospect, Keweenaw County, Michigan

Choice small cabinet specimen, well crystallized front and back. Collected Fall of 2024.

7.2 x 2.7 x 3.0cm

$85

TM19-1028

Copper/Laumontite

Lake Superior Copper District, Michigan

From the L.L. Hubbard Collection #598, out of the Seaman Mineral Museum. Fine miniature of laumontite filled with copper hairs that have oxidized blue.

5.3 x 4.9 x 3.0cm

SOLD

TM75-712

Datolite

Ridge Mine, Ontonagon County, Michigan

Great example of datolite from the Ridge Mine with the copper center, outlined with the dark ring and white border. Scarce.

5.5 x 4.0 x 1.9cm

SOLD

TM21-1371