"Whitneyite" is a word in ENGLISH

whitneyite ENGLISH
Definition:

an arsenide of copper from Lake Superior.

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condurrite ENGLISH

A variety of the mineral domeykite, or copper arsenide, from the Condurra mine in Cornwall, England.

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domeykite ENGLISH

A massive mineral of tin-white or steel-gray color, an arsenide of copper.

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niccolite ENGLISH

A mineral of a copper-red color and metallic luster; an arsenide of nickel; -- called also coppernickel, kupfernickel.

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