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Basilicas :: Basilicas (pl. ) of Basilic.

Atrium :: Atrium (n.) An open court with a porch or gallery around three or more sides; especially at the entrance of a basilica or other church. The name was extended in the Middle Ages to the open churchyard or cemetery.

Staurolitic :: Staurolite (n.) A mineral of a brown to black color occurring in prismatic crystals, often twinned so as to form groups resembling a cross. It is a silicate of aluminia and iron, and is generally found imbedded in mica schist. Called also granatite, and grenatite..

Vermiculite :: Vermiculite (n.) 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..

Keilhau-ite :: Keilhau-ite (n.) A mineral of a brownish black color, related to titanite in form. It consists chiefly of silica, titanium dioxide, lime, and yttria..

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

Silicofluoride :: Silicofluoride (n.) A fluosilicate; a salt of silicofluoric acid.

Zoisite :: Zoisite (n.) A grayish or whitish mineral occurring in orthorhombic, prismatic crystals, also in columnar masses. It is a silicate of alumina and lime, and is allied to epidote..

Gismondite :: Gismondite (n.) A native hydrated silicate of alumina, lime, and potash, first noticed near Rome..

Spoffish :: Spodumene (n.) A mineral of a white to yellowish, purplish, or emerald-green color, occuring in prismatic crystals, often of great size. It is a silicate of aluminia and lithia. See Hiddenite..

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

Sodalite :: Sodalite (n.) A mineral of a white to blue or gray color, occuring commonly in dodecahedrons, also massive. It is a silicate of alumina and soda with some chlorine..

Basilical :: Basilical (a.) Pertaining to certain parts, anciently supposed to have a specially important function in the animal economy, as the middle vein of the right arm..

Amphibole :: Amphibole (n.) A common mineral embracing many varieties varying in color and in composition. It occurs in monoclinic crystals; also massive, generally with fibrous or columnar structure. The color varies from white to gray, green, brown, and black. It is a silicate of magnesium and calcium, with usually aluminium and iron. Some common varieties are tremolite, actinolite, asbestus, edenite, hornblende (the last name being also used as a general term for the whole species). Amphibole is a constit

Cerite :: Cerite (n.) A mineral of a brownish of cherry-red color, commonly massive. It is a hydrous silicate of cerium and allied metals..

Willemite :: Willemite (n.) A silicate of zinc, usually occurring massive and of a greenish yellow color, also in reddish crystals (troostite) containing manganese..

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..

Natrolite :: Natrolite (n.) A zeolite occuring in groups of glassy acicular crystals, and in masses which often have a radiated structure. It is a hydrous silicate of alumina and soda..

Garnierite :: Garnierite (n.) An amorphous mineral of apple-green color; a hydrous silicate of nickel and magnesia. It is an important ore of nickel.

Lazuli :: Lazuli (n.) A mineral of a fine azure-blue color, usually in small rounded masses. It is essentially a silicate of alumina, lime, and soda, with some sodium sulphide, is often marked by yellow spots or veins of sulphide of iron, and is much valued for ornamental work. Called also lapis lazuli, and Armenian stone..

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