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-ate :: -ate () In chemistry it is used to denote the salts formed from those acids whose names end -ic (excepting binary or halogen acids); as, sulphate from sulphuric acid, nitrate from nitric acid, etc. It is also used in the case of certain basic salts..

Barite :: Barite (n.) Native sulphate of barium, a mineral occurring in transparent, colorless, white to yellow crystals (generally tabular), also in granular form, and in compact massive forms resembling marble. It has a high specific gravity, and hence is often called heavy spar. It is a common mineral in metallic veins..

Super :: Super- () A prefix formerly much used to denote that the ingredient to the name of which it was prefixed was present in a large, or unusually large, proportion as compared with the other ingredients; as in calcium superphosphate. It has been superseded by per-, bi-, di-, acid, etc. (as peroxide, bicarbonate, disulphide, and acid sulphate), which retain the old meanings of super-, but with sharper definition. Cf. Acid, a., Bi-, Di-, and Per-..

Salt :: salt () Sulphate of magnesia having cathartic qualities; -- originally prepared by boiling down the mineral waters at Epsom, England, -- whence the name; afterwards prepared from sea water; but now from certain minerals, as from siliceous hydrate of magnesia..

Glauberite :: Glauberite (n.) A mineral, consisting of the sulphates of soda and lime..

Celestite :: Celestite (n.) Native strontium sulphate, a mineral so named from its occasional delicate blue color. It occurs crystallized, also in compact massive and fibrous forms..

Botryogen :: Botryogen (n.) A hydrous sulphate of iron of a deep red color. It often occurs in botryoidal form.

Hauynite :: Hauynite (n.) A blue isometric mineral, characteristic of some volcani/ rocks. It is a silicate of alumina, lime, and soda, with sulphate of lime..

Isomorphism :: Isomorphism (n.) A similarity of crystalline form between substances of similar composition, as between the sulphates of barium (BaSO4) and strontium (SrSO4). It is sometimes extended to include similarity of form between substances of unlike composition, which is more properly called homoeomorphism..

Mascagnite :: Mascagnite (n.) Native sulphate of ammonia, found in volcanic districts; -- so named from Mascagni, who discovered it..

Brochantite :: Brochantite (n.) A basic sulphate of copper, occurring in emerald-green crystals..

Epsomite :: Epsomite (n.) Native sulphate of magnesia or Epsom salt.

Atramentarious :: Atramentarious (a.) Like ink; suitable for making ink. Sulphate of iron (copperas, green vitriol) is called atramentarious, as being used in making ink..

Heavy Spar :: Heavy spar () Native barium sulphate or barite, -- so called because of its high specific gravity as compared with other non-metallic minerals..

Alunogen :: Alunogen (n.) A white fibrous mineral frequently found on the walls of mines and quarries, chiefly hydrous sulphate of alumina; -- also called feather alum, and hair salt..

Kieserite :: Kieserite (n.) Hydrous sulphate of magnesia found at the salt mines of Stassfurt, Prussian Saxony..

Bisulphate :: Bisulphate (n.) A sulphate in which but half the hydrogen of the acid is replaced by a positive element or radical, thus making the proportion of the acid to the positive or basic portion twice what it is in the normal sulphates; an acid sulphate..

Sulphur :: Sulphur (n.) A nonmetallic element occurring naturally in large quantities, either combined as in the sulphides (as pyrites) and sulphates (as gypsum), or native in volcanic regions, in vast beds mixed with gypsum and various earthy materials, from which it is melted out. Symbol S. Atomic weight 32. The specific gravity of ordinary octohedral sulphur is 2.05; of prismatic sulphur, 1.96..

Sulphaurate :: Sulphato- () A combining form (also used adjectively) denoting a sulphate as an ingredient in certain double salts; as, sulphato-carbonate..

Thenardite :: Thenardite (n.) Anhydrous sodium sulphate, a mineral of a white or brown color and vitreous luster..

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