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Lepidomelane :: Lepidomelane (n.) An iron-potash mica, of a raven-black color, usually found in granitic rocks in small six-sided tables, or as an aggregation of minute opaque scales. See Mica..

Bromoform :: Bromoform (n.) A colorless liquid, CHBr3, having an agreeable odor and sweetish taste. It is produced by the simultaneous action of bromine and caustic potash upon wood spirit, alcohol, or acetone, as also by certain other reactions. In composition it is the same as chloroform, with the substitution of bromine for chlorine. It is somewhat similar to chloroform in its effects..

Black Salts :: Black salts () Crude potash.

Smalt :: Smalt (v. t.) A deep blue pigment or coloring material used in various arts. It is a vitreous substance made of cobalt, potash, and calcined quartz fused, and reduced to a powder..

Resorcin :: Resorcin (n.) A colorless crystalline substance of the phenol series, obtained by melting certain resins, as galbanum, asafetida, etc., with caustic potash. It is also produced artificially and used in making certain dyestuffs, as phthalein, fluorescein, and eosin..

Feldspath :: Feldspath (n.) A name given to a group of minerals, closely related in crystalline form, and all silicates of alumina with either potash, soda, lime, or, in one case, baryta. They occur in crystals and crystalline masses, vitreous in luster, and breaking rather easily in two directions at right angles to each other, or nearly so. The colors are usually white or nearly white, flesh-red, bluish, or greenish..

Potashes :: Potashes (n. pl.) Potash.

Potash :: Potash (n.) The hydroxide of potassium hydrate, a hard white brittle substance, KOH, having strong caustic and alkaline properties; -- hence called also caustic potash..

Lithia :: Lithia (n.) The oxide of lithium; a strong alkaline caustic similar to potash and soda, but weaker. See Lithium..

Causticily :: Causticily (n.) The quality of being caustic; corrosiveness; as, the causticity of potash..

Damourite :: Damourite (n.) A kind of Muscovite, or potash mica, containing water..

Sepia :: Sepia (n.) A pigment prepared from the ink, or black secretion, of the sepia, or cuttlefish. Treated with caustic potash, it has a rich brown color; and this mixed with a red forms Roman sepia. Cf. India ink, under India..

Zaffer :: Zaffer (n.) A pigment obtained, usually by roasting cobalt glance with sand or quartz, as a dark earthy powder. It consists of crude cobalt oxide, or of an impure cobalt arseniate. It is used in porcelain painting, and in enameling pottery, to produce a blue color, and is often confounded with smalt, from which, however, it is distinct, as it contains no potash. The name is often loosely applied to mixtures of zaffer proper with silica, or oxides of iron, manganese, etc..

Calcar :: Calcar (n.) A kind of oven, or reverberatory furnace, used for the calcination of sand and potash, and converting them into frit..

Margarodite :: Margarodite (n.) A hidrous potash mica related to muscovite.

Vienna Paste :: Vienna paste () A caustic application made up of equal parts of caustic potash and quicklime; -- called also Vienna caustic.

Hydromica :: Hydromica (n.) A variety of potash mica containing water. It is less elastic than ordinary muscovite.

Saline :: Saline (n.) A crude potash obtained from beet-root residues and other similar sources.

Potassa :: Potassa (n.) Potassium hydroxide, commonly called caustic potash..

Clavellated :: Clavellated (a.) Said of potash, probably in reference to its having been obtained from billets of wood by burning..

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