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Walter R. Kellogg

 

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Mineral Specimen #1065    Datolite and Prehnite

Copper Falls Mine, Copper Falls, near Eagle Harbor, Keweenaw County, Michigan, USA

An unpolished Datolite nodule. It appears it has been etched free from Calcite. The Datolite is chalky; powdery material scraps off when handled. The Datolite is off white and the Prehnite is a pale grayish green. The mine is one of the first mines operated in the Michigan Copper District.

From the George Katzmarek collection

6.2 x 5.5 x 2.9 cm

$25      Click here to order this mineral.                                                                                                                                                              

This mineral is also found in the following galleries: Minerals From Michigan | Nesosilicates | Phyllosilicates | Minerals Priced Between 25 and 49 Dollars
Mineral Specimen: Datolite and Prehnite from Copper Falls Mine, Copper Falls, near Eagle Harbor, Keweenaw County, Michigan, USA
Mineral Specimen: Datolite and Prehnite from Copper Falls Mine, Copper Falls, near Eagle Harbor, Keweenaw County, Michigan, USA
Mineral Specimen: Datolite and Prehnite from Copper Falls Mine, Copper Falls, near Eagle Harbor, Keweenaw County, Michigan, USA
Mineral Specimen: Datolite and Prehnite from Copper Falls Mine, Copper Falls, near Eagle Harbor, Keweenaw County, Michigan, USA
Mineral Specimen: Datolite and Prehnite from Copper Falls Mine, Copper Falls, near Eagle Harbor, Keweenaw County, Michigan, USA
This mineral is also found in the following galleries: Minerals From Michigan | Nesosilicates | Phyllosilicates | Minerals Priced Between 25 and 49 Dollars

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 All prices are in U.S. dollars.