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Cryptomelane
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Cryptomelane (Ref: 1392180)

Montreal mine, Iron Co., Wisconsin, USA
180mm x 110mm x 40mm
$3000
An outstanding example for the species with lustrous botryoidal black cryptomelane in a cluster with very little attached matrix. Good examples such as this for the species from this old locality are rarely if ever seen available on the market today. Identification was confirmed at the A. E. Seaman Museum. The specimen was displayed for the public at the East Coast 2018 show.
Data last checked on 25th Jan 2025 - specimen may no longer be available

From: Weinrich Minerals
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See Also

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Hematite
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Goethite
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Barite with Hematite
Montreal mine, Iron Co., Wisconsin, USA
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Calcite with Manganite
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Calcite
Montreal mine, Iron Co., Wisconsin, USA
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Hematite
Montreal mine, Iron Co., Wisconsin, USA
$2500
240mm x 40mm x 30mm
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Hematite
Montreal mine, Iron Co., Wisconsin, USA
$2500
110mm x 90mm x 55mm
From: Weinrich Minerals
Calcite
Montreal mine, Iron Co., Wisconsin, USA
$2500
140mm x 100mm x 30mm
From: Weinrich Minerals
Barite with Hematite
Montreal mine, Iron Co., Wisconsin, USA
$2500
120mm x 90mm x 60mm
From: Weinrich Minerals
Goethite
Montreal mine, Iron Co., Wisconsin, USA
$2500
110mm x 100mm x 70mm
From: Weinrich Minerals
* price is an approximate conversion and may not be accurate.

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