Thanks for using this online dictionary, we have been helping millions of people improve their use of the english language with its free online services. English definition of quartz is as below...

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..

Element :: Element (n.) One of the ultimate parts which are variously combined in anything; as, letters are the elements of written language; hence, also, a simple portion of that which is complex, as a shaft, lever, wheel, or any simple part in a machine; one of the essential ingredients of any mixture; a constituent part; as, quartz, feldspar, and mica are the elements of granite..

Sinople :: Sinople (n.) Ferruginous quartz, of a blood-red or brownish red color, sometimes with a tinge of yellow..

Tridymite :: Tridymite (n.) Pure silica, like quartz, but crystallizing in hexagonal tables. It is found in trachyte and similar rocks..

Quartzite :: Quartzite (n.) Massive quartz occurring as a rock; a metamorphosed sandstone; -- called also quartz rock.

Felsite :: Felsite (n.) A finegrained rock, flintlike in fracture, consisting essentially of orthoclase feldspar with occasional grains of quartz..

Granulite :: Granulite (n.) A whitish, granular rock, consisting of feldspar and quartz intimately mixed; -- sometimes called whitestone, and leptynite..

Plasma :: Plasma (n.) A variety of quartz, of a color between grass green and leek green, which is found associated with common chalcedony. It was much esteemed by the ancients for making engraved ornaments..

Pseudomorph :: Pseudomorph (n.) A pseudomorphous crystal, as a crystal consisting of quartz, but having the cubic form of fluor spar, the fluor crystal having been changed to quartz by a process of substitution..

Quartzoid :: Quartzoid (n.) A form of crystal common with quartz, consisting of two six-sided pyramids, base to base..

Agate :: Agate (n.) A semipellucid, uncrystallized variety of quartz, presenting various tints in the same specimen. Its colors are delicately arranged in stripes or bands, or blended in clouds..

Siderite :: Siderite (n.) An indigo-blue variety of quartz.

Opal :: Opal (n.) A mineral consisting, like quartz, of silica, but inferior to quartz in hardness and specific gravity..

Aventurine :: Aventurine (n.) A variety of translucent quartz, spangled throughout with scales of yellow mica..

Flint :: Flint (n.) A massive, somewhat impure variety of quartz, in color usually of a gray to brown or nearly black, breaking with a conchoidal fracture and sharp edge. It is very hard, and strikes fire with steel..

Quartzy :: Quartzy (a.) Quartzose.

Liparite :: Liparite (n.) A quartzose trachyte; rhyolite.

Zaffer :: Zaffer (n.) A pigment obtained, usually by roasting cobalt glance with sand or quartz, as a dark earthy powder. It consists of crude cobalt oxide, or of an impure cobalt arseniate. It is used in porcelain painting, and in enameling pottery, to produce a blue color, and is often confounded with smalt, from which, however, it is distinct, as it contains no potash. The name is often loosely applied to mixtures of zaffer proper with silica, or oxides of iron, manganese, etc..

Veinstone :: Veinstone (n.) The nonmetalliferous mineral or rock material which accompanies the ores in a vein, as quartz, calcite, barite, fluor spar, etc.; -- called also veinstuff..

Porphyritic :: Porphyritic (a.) Relating to, or resembling, porphyry, that is, characterized by the presence of distinct crystals, as of feldspar, quartz, or augite, in a relatively fine-grained base, often aphanitic or cryptocrystalline..

Random Fonts

Most Popular