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n-bladed crystals and crystalline aggregates, of a sky-blue color. It is a silicate of aluminium. [Written also kyanite.]

r combination of two distinct salts, as common alum, which consists of the sulphate of aluminium, and the sulphate of potassium or ammonium. -- Double shuffle, a low, noisy dance. -- Double standard (Polit. Econ.), a double standard of monetary values; i. e., a gold standard and a silver standard, both of which are m…

llic element, found in certain zinc ores. It is white, hard, and malleable, resembling aluminium, and remarcable for its low melting point (86

ad gray, soft, malleable and easily fusible, but in its chemical relation it resembles aluminium or gallium. Symbol In. Atomic weight, 113.4.

e coloring matter, usually by precipitation, with a metallic oxide or earth, esp. with aluminium hydrate; as, madder lake; Florentine lake; yellow lake, etc.

A rare element of the group of the earth metals, allied to aluminium. It occurs in certain rare minerals, as cerite, gadolinite, orthite, etc., and was so named from the difficulty of separating it from cerium, didymium, and other rare elements with which it is usually associated. Atomic weight 138.5. Symbol La. [Forme…

r's term for blende. -- Red lead, a scarlet, crystalline, granular powder, consisting of minium when pure, but commonly containing several of the oxides of lead. It is used as a paint or cement and also as an ingredient of flint glass. -- Red lead ore (Min.), crocoite. -- Sugar of lead, acetate of lead. -- To arm t…

om the outer surface of a plate composed of any material permeable by cathode rays, as aluminium, which forms a portion of a wall of a vacuum tube, or which is mounted within the tube and exposed to radiation from the cathode. Lenard rays are similar in all their known properties to cathode rays. So called from the Ger…

r carbonate. It is used in making flint glass, in glazing earthenware, in making red lead minium, etc. Called also massicot.

te, crystalline, organic substance, C6(CO2H)6, occurring naturally in combination with aluminium in the mineral mellite, and produced artificially by the oxidation of coal, graphite, etc., and hence called also graphitic acid.

dium, lithium, calcium, magnesium, etc.; also, sometimes, the metals of the earths, as aluminium. -- Muntz metal, an alloy for sheathing and other purposes, consisting of about sixty per cent of copper, and forty of zinc. Sometimes a little lead is added. It is named from the inventor. -- Prince's metal (Old Chem.),…

A binary compound of methyl with some element; as, aluminium methide, Al2(CH3)6.

An alloy consisting of copper, nickel, tungsten, and aluminium; -- used by jewelers.

Of the color of minium or red lead; miniate.

malleable iron castings by melting wrought iron, to which from 0.05 to 0.1 per cent of aluminium is added to lower the melting point, usually in a petroleum furnace, keeping the molten metal at the bubbling point until it becomes quiet, and then pouring the molten metal into a mold lined with a special mixture consisti…

ic shrub. See Abelmosk. -- Musk orchis (Bot.), a European plant of the Orchis family (Herminium Minorchis); -- so called from its peculiar scent. -- Musk ox (Zoöl.), an Arctic hollow-horned ruminant (Ovibos moschatus), now existing only in America, but found fossil in Europe and Asia. It is covered with a thick coat…

er, and consisting chiefly of copper, zinc, and nickel, with small proportions of tin, aluminium, and bismuth. Ure.

Pertaining to, or involving, the right of postliminium.

salt regarded as formed by the union of two distinct salts, as common alum, potassium aluminium sulphate. See under Double. -- Epsom salts. See in the Vocabulary. -- Essential salt (Old Chem.), a salt obtained by crystalizing plant juices. -- Ethereal salt. (Chem.) See under Ethereal. -- Glauber's salt or salts. S…

A kind of minium, or red lead, made by calcining carbonate of lead, but inferior to true minium. [Written also sandyx.] [Obs.]