"Chalcocite" is a word in ENGLISH

chalcocite ENGLISH
Definition:

Native copper sulphide, called also copper glance, and
vitreous copper; a mineral of a black color and metallic luster.

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True religion is that which does not let you stumble.

Dada Bhagwan

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Laugh your heart out.

One day, a blonde and her friend were walking through the park. Suddenly, the blonde's friend said, "Oh, look, a dead birdie!" The blonde looked up and said, "Where?"

bise ENGLISH

A pale blue pigment, prepared from the native blue carbonate of copper, or from smalt; -- called also blue bice.

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covellite ENGLISH

A native sulphide of copper, occuring in masses of a dark blue color; -- hence called indigo copper.

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cyanosite ENGLISH

Native sulphate of copper. Cf. Blue vitriol, under Blue.

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malachite ENGLISH

Native hydrous carbonate of copper, usually occurring in green mammillary masses with concentric fibrous structure.

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ore ENGLISH

The native form of a metal, whether free and uncombined, as gold, copper, etc., or combined, as iron, lead, etc. …

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