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Cancrinite :: Cancrinite (n.) A mineral occurring in hexagonal crystals, also massive, generally of a yellow color, containing silica, alumina, lime, soda, and carbon dioxide..

Silicified :: Silicified (a.) Combined or impregnated with silicon or silica, especially the latter; as, silicified wood..

Pimelite :: Pimelite (n.) An apple-green mineral having a greasy feel. It is a hydrous silicate of nickel, magnesia, aluminia, and iron..

Basilica :: Basilica (n.) A church building of the earlier centuries of Christianity, the plan of which was taken from the basilica of the Romans. The name is still applied to some churches by way of honorary distinction..

Hematinon :: Hematinon (n.) A red consisting of silica, borax, and soda, fused with oxide of copper and iron, and used in enamels, mosaics, etc..

Cronstedtite :: Cronstedtite (n.) A mineral consisting principally of silicate of iron, and crystallizing in hexagonal prisms with perfect basal cleavage; -- so named from the Swedish mineralogist Cronstedt..

Phenacite :: Phenacite (n.) A glassy colorless mineral occurring in rhombohedral crystals, sometimes used as a gem. It is a silicate of glucina, and receives its name from its deceptive similarity to quartz..

Humite :: Humite (n.) A mineral of a transparent vitreous brown color, found in the ejected masses of Vesuvius. It is a silicate of iron and magnesia, containing fluorine..

Fibrolite :: Fibrolite (n.) A silicate of alumina, of fibrous or columnar structure. It is like andalusite in composition; -- called also sillimanite, and bucholizite..

Harmotome :: Harmotome (n.) A hydrous silicate of alumina and baryta, occurring usually in white cruciform crystals; cross-stone..

Basilica :: Basilica (n.) Originally, the place of a king; but afterward, an apartment provided in the houses of persons of importance, where assemblies were held for dispensing justice; and hence, any large hall used for this purpose..

Acidic :: Acidic (a.) Containing a high percentage of silica; -- opposed to basic.

Danburite :: Danburite (n.) A borosilicate of lime, first found at Danbury, Conn. It is near the topaz in form..

Bronzite :: Bronzite (n.) A variety of enstatite, often having a bronzelike luster. It is a silicate of magnesia and iron, of the pyroxene family..

Stile :: Stilbite (n.) A common mineral of the zeolite family, a hydrous silicate of alumina and lime, usually occurring in sheaflike aggregations of crystals, also in radiated masses. It is of a white or yellowish color, with pearly luster on the cleavage surface. Called also desmine..

Chlorite :: Chlorite (n.) The name of a group of minerals, usually of a green color and micaceous to granular in structure. They are hydrous silicates of alumina, iron, and magnesia..

Potassium :: Potassium (n.) An Alkali element, occurring abundantly but always combined, as in the chloride, sulphate, carbonate, or silicate, in the minerals sylvite, kainite, orthoclase, muscovite, etc. Atomic weight 39.0. Symbol K (Kalium)..

Cast Iron :: Cast iron () Highly carbonized iron, the direct product of the blast furnace; -- used for making castings, and for conversion into wrought iron and steel. It can not be welded or forged, is brittle, and sometimes very hard. Besides carbon, it contains sulphur, phosphorus, silica, etc..

Silicify :: Silicify (v. t.) To convert into, or to impregnate with, silica, or with the compounds of silicon..

Chrysocolla :: Chrysocolla (n.) A hydrous silicate of copper, occurring massive, of a blue or greenish blue color..

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