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Walter R. Kellogg


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Mineral Specimen #6656    Manganite Crystals

Montreal Mine, Montreal, Iron Co., Wisconsin

16.2 x 9.3 x 7.8 cm
6.4 x 3.7 x 3.1 in


Ex. Robert Nowakowski

A mass of sparkling, lustrous, black colored, acicular crystals of Manganite intermixed with areas of thicker, parallel oriented crystals. Specimens of Manganite are not only uncommon from the Montreal mine, which closed in 1967, but uncommon from anywhere in the U.S. with the majority of specimens having come from the iron ranges of Michigan, Wisconsin and Minnesota.

Condition: Good

Flaws: Essentially massive material.

This mineral is also found in the following galleries: Minerals From the United States | Oxides and Hydroxides | Minerals Priced Between 200 and 299 Dollars