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Subsequent in origin; -- said of minerals produced by alteertion or deposition subsequent to the formation of the original rocks mass; also of characters of minerals (as secondary cleavage, etc.) developed by pressure or other causes.

specifically (Min.), capable of being severed by the knife with a smooth cut; -- said of minerals.

A mineral water from Sellers, in the district of Nassan, Germany, containing much free carbonic acid.

stone, intersected within by cracks which are often filled with calcite, barite, or other minerals.

A mineral or rock consisting chiefly of the hydrous silicate of magnesia. It is usually of an obscure green color, often with a spotted or mottled appearance resembling a serpent's skin. Precious, or noble, serpentine is translucent and of a rich oil-green color.

t abundant element of the earth's crust. Silicon is characteristically the element of the mineral kingdom, as carbon is of the organic world. Symbol Si. Atomic weight 28. Called also silicium.

s found native, and also combined with sulphur, arsenic, antimony, chlorine, etc., in the minerals argentite, proustite, pyrargyrite, ceragyrite, etc. Silver is one of the "noble" metals, so-called, not being easily oxidized, and is used for coin, jewelry, plate, and a great variety of articles. Symbol Ag (Argentum). A…

s of iron; the scale which files from iron when hammered; -- applied as a name to various minerals. Calcareous sinter, a loose banded variety of calcite formed by deposition from lime-bearing waters; calcareous tufa; travertine. -- Ceraunian sinter, fulgurite. -- Siliceous sinter, a light cellular or fibrous opal; es…

An iron bucket, which slides between guides, for hoisting mineral and rock.

A mineral of a bright metallic luster and tin-white to pale lead-gray color. It consist of arsenic and cobalt.

A spongy, semivitrifled substance which miners or smelters mix with the ores of metals to prevent their fusion. [Written also slakin.]

Metal.), a furnace, or hearth, for extracting lead from slags or poor ore. -- Slag wool, mineral wool. See under Mineral.

A tin-white or gray mineral of metallic luster. It is an arsenide of cobalt, nickel, and iron. Called also speiskobalt.

h; but Dryden taught to join The varying verse, the full-resounding line. Pope. When sage Minerva rose, From her sweet lips smooth elocution flows. Gay.

onate. [Colloq.] -- Sal soda. See Sodium carbonate, under Sodium. -- Soda alum (Min.), a mineral consisting of the hydrous sulphate of alumina and soda. -- Soda ash, crude sodium carbonate; -- so called because formerly obtained from the ashes of sea plants and certain other plants, as saltwort (Salsola). See under S…

A mineral of a white to blue or gray color, occuring commonly in dodecahedrons, also massive. It is a silicate of alumina and soda with some chlorine.

O3, with a slight alkaline taste resembling that of sodium carbonate. It is found in many mineral springs and also produced artificially,. It is used in cookery, in baking powders, and as a source of carbonic acid gas (carbon dioxide) for soda water. Called also cooking soda, saleratus, and technically, acid sodium car…

Not tinged with mineral salts; adapted to decompose soap; as, soft water is the best for washing.

3.6), and the like. Such solutions are much used in determining the specific gravities of minerals, and in separating them when mechanically mixed as in a pulverized rock. -- Nessler's solution. See Nesslerize. -- Solution of continuity, the separation of connection, or of connected substances or parts; -- applied, i…

kind or species; to agree. Nor do metals only sort and herd with metals in the earth, and minerals with minerals. Woodward. The illiberality of parents towards children makes them base, and sort with any company. Bacon.