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Apperaing in distinct crystals; -- said of the mineral constituents of a rock.

A thin crust of some extraneous substance formed on minerals. [R.] A thin crust or illinition of black manganese. Kirwan.

The act or operation of smearing the body with mud, especially with the sediment from mineral springs; a mud bath.

something else; as, imitative colors; imitative habits; dendritic and mammillary forms of minerals are imitative. -- Im"i*ta*tive*ly, adv. -- Im"i*ta*tive*ness, n.

inches of a mercury column, as on a steam gauge. -- Inch of water. See under Water. -- Miner's inch, (Hydraulic Mining), a unit for the measurement of water. See Inch of water, under Water.

eign substance, either liquid or solid, usually of minute size, inclosed in the mass of a mineral.

Silver iodide, a mineral of a yellowish color.

A suffix used in naming minerals; as, chlorite, from its characteristic green color; barite, from its heaviness; graphite, from its use in writing.

Any thick mass of rock which prevents miners from following the lode or vein.

A steel-gray mineral, of metallic luster, commonly fibrous massive. It is a sulphide of antimony and lead, with a little iron.

Of or pertaining to the mineral jargon.

An ocher-yellow mineral occurring on minute rhombohedral crystals. It is a hydrous sulphate of iron and potash.

One who, or that which, jigs; specifically, a miner who sorts or cleans ore by the process of jigging; also, the sieve used in jigging.

Fluor spar; -- so called by Cornish miners.

A fibrous mineral occurring in tufts of a straw-yellow color. It is a hydrous silicate of alumina and manganese.

A mineral of a brownish black color, related to titanite in form. It consists chiefly of silica, titanium dioxide, lime, and yttria.

) on which the kermes insect (Coccus ilicis) feeds. J. Smith (Dict. Econ. Plants). Kermes mineral. (a) (Old Chem.) An artificial amorphous trisulphide of antimony; -- so called on account of its red color. (b) (Med. Chem.) A compound of the trioxide and trisulphide of antimony, used in medicine. This substance occurs i…

An oil used for illuminating purposes, formerly obtained from the distillation of mineral wax, bituminous shale, etc., and hence called also coal oil. It is now produced in immense quantities, chiefly by the distillation and purification of petroleum. It consists chiefly of several hydrocarbons of the methane series.…

guished by leading or ruling characteristics; a principal division; a department; as, the mineral kingdom. "The animal and vegetable kingdoms." Locke. Animal kingdom. See under Animal. -- Kingdom of God. (a) The universe. (b) That spiritual realm of which God is the acknowledged sovereign. (c) The authority or dominio…

A mineral of a gray, red, brown, or green color, and glistening luster. It is a silicate of iron and manganese.