Description
Genuine Mohawkite Mineral Specimen from Michigan, USA
Offered here is an authentic Mohawkite mineral specimen from Michigan, USA, a rare and highly collectible copper-nickel arsenide ore associated with the famous historic mining districts of the Great Lakes region. This is a carefully chosen natural piece, and the photographs show the exact specimen you will receive, with full sizing clearly visible in the images provided.
Although often collected alongside fossils, this is a genuine mineral specimen, supplied with a lifetime Certificate of Authenticity on a generic card, guaranteeing it as an authentic natural stone.
Mohawkite is prized by collectors for its metallic appearance, rarity, and strong connection to one of the most famous native copper regions in the world.
Mineral Overview – Mohawkite
Mohawkite is a distinctive mineral ore composed primarily of copper, nickel, and arsenic, often described as a copper-nickel arsenide. It is most famously found in the Keweenaw Peninsula region of Michigan, an area internationally known for its rich deposits of native copper and associated minerals.
Mohawkite is valued for:
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Its rarity in the mineral collecting world
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Its strong association with Michigan’s historic copper mines
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Metallic textures and natural ore character
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Importance within copper-nickel mineral assemblages
Specimens from Michigan are particularly sought after because this is the classic and most well-known locality for the mineral.
Appearance and Diagnostic Characteristics
Mohawkite typically occurs as a metallic ore mass rather than well-formed crystals. This specimen may display:
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Metallic bronze to coppery tones
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Natural surface textures typical of copper ores
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Subtle colour variation due to nickel and arsenide content
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A dense, solid feel consistent with heavy metal-bearing minerals
Many Mohawkite pieces are found in association with native copper, domeykite, and other arsenide minerals, making each specimen geologically distinctive.
Geological Context – Michigan Copper Country
Michigan’s Keweenaw Peninsula is one of the most important native copper provinces on Earth. The region’s mineral wealth formed through ancient volcanic activity, where copper-rich hydrothermal fluids moved through fractures and lava flows, depositing native copper and associated minerals.
Mohawkite occurs within these copper-bearing systems, representing a unique chemical environment where copper combined with nickel and arsenic during mineral formation. These deposits are part of a globally significant geological story, tied to some of the earliest major mining operations in North America.
The Michigan Copper Country has produced specimens treasured by collectors and museums for over a century, and Mohawkite remains one of the more unusual and desirable materials from the region.
Collecting and Display Value
Mohawkite is highly desirable for:
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Mineral and ore collectors
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Native copper and Michigan locality enthusiasts
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Educational geology collections
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Display cabinets featuring rare metallic minerals
Its rarity and strong locality appeal make it an excellent addition to any serious mineral collection, especially for those interested in North American mining history.
This specimen is ideal for collectors seeking something beyond common crystals — a genuine ore mineral with real geological significance.
Authenticity and Presentation
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Mineral: Mohawkite (copper-nickel arsenide ore)
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Origin: Michigan, USA
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Type: Rare metallic mineral specimen
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Specimen: Exact piece shown in photographs
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Certificate: Lifetime Certificate of Authenticity included
This is a rare opportunity to acquire a genuine Mohawkite specimen from one of the world’s most famous copper mineral regions, offering both scientific interest and outstanding collector appeal.





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