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mineral occurring in emerald-green tabular crystals having a micaceous structure. It is a hydrous phosphate of uranium and copper. Called also copper uranite, and chalcolite.

A hydrous phosphate of alumina containing a little copper; calaite. It has a blue, or bluish green, color, and usually occurs in reniform masses with a botryoidal surface. [Formerly written also turcois, and turkois.]

A translucent mineral of a green color and pearly or vitreous luster. It is a hydrous arseniate of copper.

A mineral occurring in white rounded crystalline masses. It is a hydrous borate of lime and soda.

An apple-green mineral occurring in reniform masses. It is a hydrous phosphate of alumina.

A group of minerals having, a micaceous structure. They are hydrous silicates, derived generally from the alteration of some kind of mica. So called because the scales, when heated, open out into wormlike forms.

A hydrous phosphate of iron of a blue to green color, growing darker on exposure. It occurs in monoclinic crystals, also fibrous, massive, and earthy.

mineral occurring in small six-sided tabular crystals of a green or yellow color. It is a hydrous vanadate of copper and lime.

A hydrous phosphate of alumina, occurring usually in hemispherical radiated forms varying in color from white to yellow, green, or black.

A hydrous sulphate of alumina occurring in white reniform masses.

squeteague (Cynoscion nothus), of the Southern United States. -- White vitriol (Chem.), hydrous sulphate of zinc. See White vitriol, under Vitriol. -- White wagtail (Zoöl.), the common, or pied, wagtail. -- White wax, beeswax rendered white by bleaching. -- White whale (Zoöl.), the beluga. -- White widgeon (Zoöl.…

llow cat (Zoöl.), a yellow catfish; especially, the bashaw. -- Yellow copperas (Min.), a hydrous sulphate of iron; -- called also copiapite. -- Yellow copper ore, a sulphide of copper and iron; copper pyrites. See Chalcopyrite. -- Yellow cress (Bot.), a yellow-flowered, cruciferous plant (Barbarea præcox), sometimes…

A mineral of a violet-blue color, inclining to gray and white. It is a hydrous fluoride of cerium, yttrium, and calcium.

A hydrous carbonate of nickel occurring as an emerald-green incrustation on chromite; -- called also emerald nickel.

A term now used to designate any one of a family of minerals, hydrous silicates of alumina, with lime, soda, potash, or rarely baryta. Here are included natrolite, stilbite, analcime, chabazite, thomsonite, heulandite, and others. These species occur of secondary origin in the cavities of amygdaloid, basalt, and lava,…

de, n. (a) -- Zinc bloom Etym: [cf. G. zinkblumen flowers of zinc, oxide of zinc] (Min.), hydrous carbonate of zinc, usually occurring in white earthy incrustations; -- called also hydrozincite. -- Zinc ethyl (Chem.), a colorless, transparent, poisonous liquid, composed of zinc and ethyl, which takes fire spontaneousl…