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Blue carbonate of copper; blue malachite.

Native sulphate of barium, a mineral occurring in transparent, colorless, white to yellow crystals (generally tabular), also in granular form, and in compact massive forms resembling marble. It has a high specific gravity, and hence is often called heavy spar. It is a common mineral in metallic veins.…

The second joint of the antennæ of crustaceans.

The duty or privilege of the marriage bed. Shak.

A double sulphide of antimony and iron, of a dark steel-gray color.

A mineral of a bluish gray color and metallic luster, usually in plumose masses, also compact. It is sulphide of antimony and lead.

A rare zeolitic mineral occurring in white monoclinic crystals with pearly luster. It is a hydrous silicate of aluminia, baryta, and strontia.

To be or become overripe, as wheat, barley, or hops. [Prov. Eng.]

Silver bromide, a rare mineral; -- called also bromargyrite.

An apple-green mineral, a hydrous arseniate of nickel, cobalt, and magnesia; -- so named from the Sierra Cabrera, Spain.

A bronze-yellow massive mineral with metallic luster; a telluride of gold; -- first found in Calaveras County California.

Like a cancer; having the qualities or virulence of a cancer; affected with cancer. "Cancerous vices." G. Eliot. -- Can"cer*ous*ly, adv. -- Can"cer*ous*ness, n.

Native tin dioxide; tin stone; a mineral occurring in tetragonal crystals of reddish brown color, and brilliant adamantine luster; also massive, sometimes in compact forms with concentric fibrous structure resembling wood (wood tin), also in rolled fragments or pebbly (Stream tin). It is the chief source of metallic ti…

A variety of the mineral called petalite, from Elba.

Native silver chloride, a mineral of a white to pale yellow or gray color, darkening on exposure to the light. It may be cut by a knife, like lead or horn (hence called horn silver).

A gastropod shell belonging to the family Cerithiïdæ; -- so called from its hornlike form.

Copper pyrites, or yellow copper ore; a common ore of opper, containing copper, iron, and sulphur. It occurs massive and in tetragonal crystals of a bright brass yellow color.

to granular in structure. They are hydrous silicates of alumina, iron, and magnesia. Chlorite slate, a schistose or slaty rock consisting of alumina, iron, and magnesia.

A meteoric stone characterized by the presence of chondrules.

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