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Case 12

Copper in Calcite

Quincy Mine, Houghton County, Michigan Several Calcites filled with bright native copper. The largest crystal is right up front and center. Choice small miniature, and difficult to find this nice. 3.3 x 3.3 x 2.7cm SOLD TM75-645

Datolite

Ridge Mine, Ontonagon County, Michigan Filled with Copper and set off by the dark and white borders. 3.5 x 2.6 x 1.7cm SOLD TM21-1304

Agate

Mesnard Mine- Houghton County, Michigan Only Agate I have seen from this mine. Collected by John Perona in 2008. Ex. Donald Kelman collection. 5.7 x 3.3 x 2.5cm SOLD TM75-646

Datolite

Flintsteel Mine, Ontonagon County, Michigan Excellent, good sized Datolite with great color. 5.9 x 5.0 x 2.5cm SOLD TM21-1305

Copper Crystals

Northwestern Mine, Keweenaw County, Michigan I finally got around to etching this from Calcite. What a nice surprise. Collected in the 1980's. 5.4 x 7.4 x 1.6cm SOLD TM19-977

Datolite

Centennial Mine, Houghton County, Michigan Good size specimen with a beautiful green color. These are tougher to come by than a yellow Datolite. 7.4 x 5.0 x 2.1cm SOLD TM21-1306
Click on any picture to zoom in for closer detail.
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© 2024 Tamarack Mineral Company. All Rights Reserved. Website by North Country Website Design.

Case 12

Copper in Calcite

Quincy Mine, Houghton County, Michigan Several Calcites filled with bright native copper. The largest crystal is right up front and center. Choice small miniature, and difficult to find this nice. 3.3 x 3.3 x 2.7cm SOLD TM75-645

Datolite

Ridge Mine, Ontonagon County, Michigan Filled with Copper and set off by the dark and white borders. 3.5 x 2.6 x 1.7cm SOLD TM21-1304

Agate

Mesnard Mine- Houghton County, Michigan Only Agate I have seen from this mine. Collected by John Perona in 2008. Ex. Donald Kelman collection. 5.7 x 3.3 x 2.5cm SOLD TM75-646

Datolite

Flintsteel Mine, Ontonagon County, Michigan Excellent, good sized Datolite with great color. 5.9 x 5.0 x 2.5cm SOLD TM21-1305

Copper Crystals

Northwestern Mine, Keweenaw County, Michigan I finally got around to etching this from Calcite. What a nice surprise. Collected in the 1980's. 5.4 x 7.4 x 1.6cm SOLD TM19-977

Datolite

Centennial Mine, Houghton County, Michigan Good size specimen with a beautiful green color. These are tougher to come by than a yellow Datolite. 7.4 x 5.0 x 2.1cm SOLD TM21-1306
Click on any picture to zoom in for closer detail.
Next Page: Ordering Info Next Page: Ordering Info