"Covellite" is a word in ENGLISH

Of the nature of, or like, copper; brassy.

Of the nature or color of verdigris, or the rust of copper.

The rust of any metal, esp. of brass or copper; verdigris.

A kind of gun metal, containing copper, zinc, and iron, but no tin.

To reduce the purity of by mixing with a less valuable substance; as, to alloy gold with silver or copper, …

Any combination or compound of metals fused together; a mixture of metals; for example, brass, which is an alloy of …

An alloy of nickel with copper and zinc; German silver.

A Roman copper coin, originally of a pound weight (12 oz.); but reduced, after the first Punic war, to two …

An oxychloride of copper, usually in emerald-green prismatic crystals.

A hydrous carbonate of copper and zinc, found in pale green or blue crystalline aggregations. It yields a kind of …

Blue carbonate of copper; blue malachite.

A soft white alloy of variable composition (as a nine parts of tin to one of copper, or of fifty …

A small copper coin formerly current in the Roman States, worth about a cent and a half.

A small copper coin, with a mixture of silver, formerly current in some parts of Germany and Switzerland. It was …

A hard alloy or bronze, consisting usually of about three parts of copper to one of tin; -- used for …

An alloy of gold and silver with a large proportion of copper or other base metal, used in coinage.

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

A valuable ore of copper, containing copper, iron, and sulphur; -- also called purple copper ore (or erubescite), in allusion …

A mineral of a steel-gray to black color and metallic luster, occurring crystallized, often in twin crystals shaped like cogwheels …

Coin made of copper, brass, or bronze.