"Quartzite" is a word in ENGLISH
Massive quartz occurring as a rock; a metamorphosed
sandstone; -- called also quartz rock.
How can a man’s candour be seen in all its lustre unless he has a few failings to talk of? But he had an agreeable confidence that his faults were all of a generous kind—impetuous, arm-blooded, leonine; never crawling, crafty, reptilian.
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Why was the cowboy a lot of laughs?He was always horsing around.
A variety of trap or basaltic rock, containing small cavities, occupied, wholly or in part, by nodules or geodes of …
Read the complete definitionA yellow or smoky brown variety of rock crystal, or crystallized quartz, found esp, in the mountain of Cairngorm, in …
Read the complete definitionThe material of quartz, in crystallization transparent or nearly so, and either colorless or slightly tinged with gray, or the …
Read the complete definitionA finegrained rock, flintlike in fracture, consisting essentially of orthoclase feldspar with occasional grains of quartz.
Read the complete definitionA crystalline rock, consisting, like granite, of quartz, feldspar, and mica, but having these materials, especially the mica, arranged in …
Read the complete definitionA crystalline, granular rock, consisting of quartz, feldspar, and mica, and usually of a whitish, grayish, or flesh-red color. It …
Read the complete definitionA whitish, granular rock, consisting of feldspar and quartz intimately mixed; -- sometimes called whitestone, and leptynite.
Read the complete definitionIn mining law. A superficial deposit of sand, gravel, or disintegrated rock, carrylng one or more of the preclous metals, …
Read the complete definitionA term used somewhat loosely to designate a rock consisting of a fine-grained base (usually feldspathic) through which crystals, as …
Read the complete definitionA large vein of auriferous quartz; -- so called in Australia. Hence, any body of rock yielding valuable ore.
Read the complete definitionA rock made of sand more or less firmly united. Common or siliceous sandstone consists mainly of quartz sand.
Read the complete definitionAny crystalline rock having a foliated structure (see Foliation) and hence admitting of ready division into slabs or slates. The …
Read the complete definitionOrig., a rock composed of quartz, hornblende, and feldspar, anciently quarried at Syene, in Upper Egypt, and now called granite.
Read the complete definitionPure silica, like quartz, but crystallizing in hexagonal tables. It is found in trachyte and similar rocks.
Read the complete definitionThe nonmetalliferous mineral or rock material which accompanies the ores in a vein, as quartz, calcite, barite, fluor spar, etc.; …
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