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Case 9

Copper in Calcite

Quincy Mine Houghton County Michigan Excellent thumbnail of water clear calcites filled with bright native copper. 2.5 x 1.6 x 1.4cm       TM75-533 SOLD

Copper Crystals

Laurium Mine Houghton County Michigan Great miniature of cuprite & tenorite coated copper crystals. The main crystal form is tetrahexahedron which is slightly flattened. 5.3 x 4.4 x 1.7cm TM19-855 SOLD

Datolite

Flintsteel Mine Ontonagon County Michigan Very unusual datolite that Bob Barron found in September when we took a trip to the Flintsteel. I believe the starburst pattern in the center to be copper, but I have never seen this before at the Flintsteel. 6.2 x 5.2 x 2.6cm TM21-1099 SOLD

Silver Crystals

White Pine Mine Ontonagon County Michigan Beautiful "tree" of silver crystals from the last operating copper mine in the Copper District. 3.8 x 2.0 x .5cm TM45-217 SOLD

Copper Crystals

Hecla #2 Mine Houghton County Michigan Excellent branch of sharp tenorite & cuprite coated copper crystals; from the collection of mining captain Peter Hamas who retired in 1939. 7.2 x 1.6 x 0.7cm TM19-856 SOLD

Datolite

Delaware Mine Keweenaw County Michigan Gorgeous stone in perfect condition, front and back. 5.0 x 3.7 x 2.0cm TM21-1100 SOLD

Copper Wire

Cape Mine Keweenaw County Michigan A great example of this form of a copper crystal; from a small mine up in the Keweenaw. Collected by Paul LaBonte in 2012. 5.9 x 2.3 x 2.7cm TM19-857 SOLD
Click on any picture to zoom in for closer detail.
Next Page: Case 10 Next Page: Case 10
© 2020 Tamarack Mineral Company. All Rights Reserved. Website by North Country Website Design.

Case 9

Copper in Calcite

Quincy Mine Houghton County Michigan Excellent thumbnail of water clear calcites filled with bright native copper. 2.5 x 1.6 x 1.4cm       TM75-533 SOLD

Copper Crystals

Laurium Mine Houghton County Michigan Great miniature of cuprite & tenorite coated copper crystals. The main crystal form is tetrahexahedron which is slightly flattened. 5.3 x 4.4 x 1.7cm TM19-855 SOLD

Datolite

Flintsteel Mine Ontonagon County Michigan Very unusual datolite that Bob Barron found in September when we took a trip to the Flintsteel. I believe the starburst pattern in the center to be copper, but I have never seen this before at the Flintsteel. 6.2 x 5.2 x 2.6cm TM21-1099 SOLD

Silver Crystals

White Pine Mine Ontonagon County Michigan Beautiful "tree" of silver crystals from the last operating copper mine in the Copper District. 3.8 x 2.0 x .5cm TM45-217 SOLD

Copper Crystals

Hecla #2 Mine Houghton County Michigan Excellent branch of sharp tenorite & cuprite coated copper crystals; from the collection of mining captain Peter Hamas who retired in 1939. 7.2 x 1.6 x 0.7cm TM19-856 SOLD

Datolite

Delaware Mine Keweenaw County Michigan Gorgeous stone in perfect condition, front and back. 5.0 x 3.7 x 2.0cm TM21-1100 SOLD

Copper Wire

Cape Mine Keweenaw County Michigan A great example of this form of a copper crystal; from a small mine up in the Keweenaw. Collected by Paul LaBonte in 2012. 5.9 x 2.3 x 2.7cm TM19-857 SOLD
Click on any picture to zoom in for closer detail.
Next Page: Case 10 Next Page: Case 10