115g Mohawkite

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115g Mohawkite For Sale

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115g Mohawkite:
$85.00

115g Mohawkite
Size and Weight: 75x40x10mm, 115g, 4.1oz
1 inch = 25.4mm1 ounce = 28.4g
About: Nice rare piece of Mohawkite. It's a unique metal. It comes from the Mohawk mine on the Keweenaw peninsula in the UP of Michigan. It is a mix of silver, nickel, copper and other minerals. It's polished on 2 sides to about 500 grit. Some mohawkite has a bronze color that may indicate more Copper/Nickel in the mix and the bright silver color may indicate there is more Silver. Native Nickel and Copper have a similar color. It depends on who you ask and what you read but some people would say Mohawkite doesn't have Silver in it. The mixture of Silver and Copper is a common occurrence in this part of Michigan. I would say there is Silver in this piece. It hasn't been tested so we can't guarantee it. This is the only place where this metal can be found making it very rare.
Mohawkite is a rare rock consisting of mixtures of arsenic, silver, nickel, skutterudite and copper, with the formula Cu3As up to Cu6As, and the most desirable material was usually found in white quartz matrix. It is named after the Mohawk Mine, where it was originally found. Colors range from brassy-yellow to metallic gray, and sometimes will have a blue or greenish surface tarnish. These colors come from its two main ingredients, the arsenic-rich copper minerals algodonite and domeykite. Its color may resemble pyrrhotite, but unlike pyrrhotite, mohawkite is not magnetic.
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