Maucherite is a grey to reddish silver white nickel arsenide mineral.

It occurs in hydrothermal veins alongside other nickel arsenide and sulfide minerals.

It has the chemical formula: Ni11As8 and commonly contains copper, iron, cobalt, antimony, and sulfur as impurities.

It was discovered in 1913 in Eisleben, Germany and was named after Wilhelm Maucher (1879–1930), a German mineral collector.

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