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Eosphorite :: Eosphorite (n.) A hydrous phosphate of alumina and manganese. It is generally of a rose-pink color, -- whence the name..

Zeolite :: Zeolite (n.) 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, also, less frequently, in granite and gneiss. So called because many of these species intumesce before the blowpipe..

Volborthite :: Volborthite (n.) A mineral occurring in small six-sided tabular crystals of a green or yellow color. It is a hydrous vanadate of copper and lime.

Pandermite :: Pandermite (n.) A hydrous borate of lime, near priceite..

Dufrenite :: Dufrenite (n.) A mineral of a blackish green color, commonly massive or in nodules. It is a hydrous phosphate of iron..

Carnallite :: Carnallite (n.) A hydrous chloride of potassium and magnesium, sometimes found associated with deposits of rock salt..

Olivenite :: Olivenite (n.) An olive-green mineral, a hydrous arseniate of copper; olive ore..

Melanterite :: Melanterite (n.) A hydrous sulphate of iron of a green color and vitreous luster; iron vitriol.

Bole :: Bole (n.) Any one of several varieties of friable earthy clay, usually colored more or less strongly red by oxide of iron, and used to color and adulterate various substances. It was formerly used in medicine. It is composed essentially of hydrous silicates of alumina, or more rarely of magnesia. See Clay, and Terra alba..

Okenite :: Okenite (n.) A massive and fibrous mineral of a whitish color, chiefly hydrous silicate of lime..

Enhydrous :: Enhydrous (a.) Having water within; containing fluid drops; -- said of certain crystals.

Serpentine :: Serpentine (n.) 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..

Vivianite :: Vivianite (n.) 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..

Heulandite :: Heulandite (n.) A mineral of the Zeolite family, often occurring in amygdaloid, in foliated masses, and also in monoclinic crystals with pearly luster on the cleavage face. It is a hydrous silicate of alumina and lime..

Chloropal :: Chloropal (n.) A massive mineral, greenish in color, and opal-like in appearance. It is essentially a hydrous silicate of iron..

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

Lanthanite :: Lanthanite (n.) Hydrous carbonate of lanthanum, found in tabular while crystals..

Priceite :: Priceite (n.) A hydrous borate of lime, from Oregon..

Meerschaum :: Meerschaum (n.) A fine white claylike mineral, soft, and light enough when in dry masses to float in water. It is a hydrous silicate of magnesia, and is obtained chiefly in Asia Minor. It is manufacturd into tobacco pipes, cigar holders, etc. Also called sepiolite..

Roselite :: Roselite (n.) A hydrous arsenite of cobalt, occuring in small red crystals, allied to erythrite..

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