Hydromagnesite :: Hydromagnesite (n.) A hydrous carbonate of magnesia occurring in white, early, amorphous masses..

Magnesia :: Magnesia (n.) 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..

Magnesian :: Magnesian (a.) Pertaining to, characterized by, or containing, magnesia or magnesium..

Magnesic :: Magnesic (a.) Pertaining to, or containing, magnesium; as, magnesic oxide..

Magnesite :: Magnesite (n.) Native magnesium carbonate occurring in white compact or granular masses, and also in rhombohedral crystals..

Magnesium :: Magnesium (n.) A light silver-white metallic element, malleable and ductile, quite permanent in dry air but tarnishing in moist air. It burns, forming (the oxide) magnesia, with the production of a blinding light (the so-called magnesium light) which is used in signaling, in pyrotechny, or in photography where a strong actinic illuminant is required. Its compounds occur abundantly, as in dolomite, talc, meerschaum, etc. Symbol Mg. Atomic weight, 24.4. Specific gravity, 1.75..

Nitromagnesite :: Nitromagnesite (n.) Nitrate of magnesium, a saline efflorescence closely resembling nitrate of calcium..

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