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Made of earth; earthy. [Obs.] Holland.

A rose-red mineral, crystallized and earthy, a hydrous arseniate of cobalt, known also as cobalt bloom; -- called also erythrin or erythrine.

The mineral or earthy substance associated with metallic ore.

Pertaining to, or derived from, earthy or vegetable mold. Geic acid. (Chem.) See Humin.

Native cadmium sulphide, a mineral occurring in yellow hexagonal crystals, also as an earthy incrustation.

A loose, earthy deposit from water, found in the cavities or clefts of rocks, mostly white, but sometimes red or yellow, from a mixture of clay or ocher. P. Cleaveland.

red color of the powder. It occurs in splendent rhombohedral crystals, and in massive and earthy forms; -- the last called red ocher. Called also specular iron, oligist iron, rhombohedral iron ore, and bloodstone. See Brown hematite, under Brown.

A soft black, iron ore, nearly earthy, a hydrous silicate of iron.

A mass of earthy matter, or rock of the same character as the wall rock, occurring in the course of a vein, as of coal or ore; hence, to take horse -- said of a vein -- is to divide into branches for a distance.

satis tinctoria, Indigofera tinctoria, I. Anil, Nereum tinctorium, etc. It is a dark blue earthy substance, tasteless and odorless, with a copper-violet luster when rubbed. Indigo does not exist in the plants as such, but is obtained by decomposition of the glycoside indican.

A hard, earthy ore of iron. Clay ironstone. See under Clay. -- Ironstone china, a hard white pottery, first made in England during the 18th century.

s sesquixoide of iron, an important ore of iron, occurring in stalactitic, mammillary, or earthy forms, of a dark brown color, yellowish brown powder. It includes bog iron. Also called brown hematite.

A kind of soil; an earthy mixture of clay and sand, with organic matter to which its fertility is chiefly due. We wash a wall of loam; we labor in vain. Hooker.

A light earthy white substance, consisting of magnesium oxide, and obtained by heating magnesium hydrate or carbonate, or by burning magnesium. It has a slightly alkaline reaction, and is used in medicine as a mild antacid laxative. See Magnesium. Magnesia alba Etym: [L.] (Med. Chem.), a bulky white amorphous substance…

A mixed earthy substance, consisting of carbonate of lime, clay, and sand, in very varivble proportions, and accordingly designated as calcareous, clayey, or sandy. See Greensand.

An earthy black oxide of copper, arising from the decomposition of other ores.

Earthy material; the matter of which anything is formed; composing substance; material. The etherial mold, Incapable of stain. Milton. Nature formed me of her softest mold. Addison.

owers, growing in the mountains of Europe (Rosa alpina). -- Mountain soap (Min.), a soft earthy mineral, of a brownish color, used in crayon painting; saxonite. -- Mountain sorrel (Bot.), a low perennial plant (Oxyria digyna with rounded kidney-form leaves, and small greenish flowers, found in the White Mountains of…

A impure earthy ore of iron or a ferruginous clay, usually red (hematite) or yellow (limonite), -- used as a pigment in making paints, etc. The name is also applied to clays of other colors.

A disease of the bones, in which they lose their earthy material, and become soft, flexible, and distorted. Also called malacia.