What's the difference between marble and quartz?

Marble


Definition:

  • (n.) A massive, compact limestone; a variety of calcite, capable of being polished and used for architectural and ornamental purposes. The color varies from white to black, being sometimes yellow, red, and green, and frequently beautifully veined or clouded. The name is also given to other rocks of like use and appearance, as serpentine or verd antique marble, and less properly to polished porphyry, granite, etc.
  • (n.) A thing made of, or resembling, marble, as a work of art, or record, in marble; or, in the plural, a collection of such works; as, the Arundel or Arundelian marbles; the Elgin marbles.
  • (n.) A little ball of marble, or of some other hard substance, used as a plaything by children; or, in the plural, a child's game played with marbles.
  • (a.) Made of, or resembling, marble; as, a marble mantel; marble paper.
  • (a.) Cold; hard; unfeeling; as, a marble breast or heart.
  • (n.) To stain or vein like marble; to variegate in color; as, to marble the edges of a book, or the surface of paper.

Example Sentences:

  • (1) Data of ether-extracted total fat content versus data of fat marbling planimetry correlated well with r = 0.9.
  • (2) He made his way to a spot on the cobblestones not far from the marble mausoleum housing the waxy corpse of Vladimir Lenin , and began to undress.
  • (3) Our meeting is in the Presidential Palace in Damascus, a place of vast halls and marble floors.
  • (4) George Clooney has strolled into one of the most bitter and longest-running controversies in the heritage world, saying it would be "very nice" if the British Museum sent the Parthenon Marbles back to Greece.
  • (5) Marbling scores were not distributed normally with both positive skewness and kurtosis (P less than .001).
  • (6) Relative to Chinese crosses, longissimus muscles from Duroc crosses had more marbling (P less than .05).
  • (7) Metres away, the yellow flag of the militant group covered a freshly covered hole in a white marble floor.
  • (8) "And nor have I come as a teacher to give grades," she added, now focusing intently on the marble floor.
  • (9) It's very reminiscent of a similar death almost a year ago, when a "middle-aged trade unionist" collapsed and died during a protest ( details ) Updated at 1.42pm BST 1.31pm BST 30,000 join Athens protests Reuters reckons that more than 30,000 people took part in today's demonstrations in Athens, and that the trouble began when "a small group of protesters" began throwing marble, bottles and petrol bombs at the ropt police who were "barricading part of the square".
  • (10) It seemed to me watching the film that the concept of the cloud was another great piece of airy obfuscation on the part of the internet corporations, who like to peddle the childlike and the playful in the way that banks used to flog you credit cards called Smile and Egg and Marbles and Goldfish, to encourage you not to think too hard about the small print (what could possibly go wrong?).
  • (11) Pen-raised North American wild turkeys (Meleagris gallopavo L.) were experimentally infected with marble spleen disease (MSD) to determine their susceptibility to this disease.
  • (12) Doubles from £82 Royal Jardins Boutique Hotel Two blocks from the grandiose, futuristic sweep of Paulista Avenue, South America's Broadway, and right by its shady Triannon park, this is a hotel with all the cream tones, clever lighting and marble lobby that say "posh".
  • (13) The comments, which follow Clooney's repeated claims over the past week that Britain should return the Parthenon marbles to Greece, were reportedly made in Milan at a press event during which the film's cast posed in front of the famed Leonardo da Vinci masterpiece The Last Supper.
  • (14) The key difference is in the role of the tourier who rolls the dough out on their chilled marble slabs or tours .
  • (15) Photograph: David Levene for the Guardian Curators: Institute of Architecture – Dorota Jedruch, Marta Karpinska, Dorota Lesniak-Rychlak, Michał Wisniewski A welcome respite from the barrage of information on display elsewhere, the Polish pavilion presents a stark marble tomb, looming in the centre of the bright white space like some gothic fantasy.
  • (16) The effects of zinc methionine on carcass quality grade and marbling score may be due to Zn and (or) methionine.
  • (17) Here workmen brought from distant Rajasthan are preparing spectacular marble panels inlaid with semi-precious stone for a new place of worship, or gurdwara .
  • (18) Numerous witnesses claim that Said, who had earlier posted an online video of local police officers apparently dividing up the spoils of a drug haul, was attacked in an internet cafe by the two plainclothes officials who kicked and punched him before eventually smashing his head against a marble table-top.
  • (19) Two kinds of herbivorous rabbit-fish – the dusty spine-foot and its cousin the marbled spine-foot – have destroyed vast swaths of underwater seaweed forests in the eastern Mediterranean, after migrating through the Suez in recent decades.
  • (20) The most visible sign of this is the arrival each day, when parliament is in session in its lavish, marble-decked halls in the new capital of Naypyidaw , of scores of officers, natty in their freshly pressed olive drab.

Quartz


Definition:

  • (n.) A form of silica, or silicon dioxide (SiO2), occurring in hexagonal crystals, which are commonly colorless and transparent, but sometimes also yellow, brown, purple, green, and of other colors; also in cryptocrystalline massive forms varying in color and degree of transparency, being sometimes opaque.

Example Sentences:

  • (1) There fore, the adverse effects may be induced by such quartz or silicon compounds.
  • (2) We have previously shown that intratracheally instilled silica (quartz) produces both morphologic evidence of emphysema and small-airway changes, and functional evidence of airflow obstruction.
  • (3) Lung sections of rats exposed to quartz particles were significantly different.
  • (4) Exposures to quartz amounting to less than about 10 per cent of mixed coal mine dust do not generally affect the probability of developing simple pneumoconiosis.
  • (5) The effect of quartz, bentonite and coal dusts as well as the effect of the artificial mixture of these dusts on TTC reduction and extra-and intra-cellular lactate dehydrogenase activity in peritoneal rat macrophages was determined in vitro.
  • (6) Silica quartz dust, a direct toxin of macrophages, suppressed demyelination and inflammation if begun at time of virus infection.
  • (7) As expected the proportion of quartz was greater in lymph nodes and lungs from men who had worked "low" rank (high ash) coal.
  • (8) Guinea pig splenic lymphocytes and peritoneal macrophage cultures were incubated with quartz (DQ12), Corundum and aspirin as prostaglandin inhibitor.
  • (9) A surgical system using 308 nm excimer laser radiation transmitted by quartz fibers is described.
  • (10) Cancer incidence and cause-specific mortality were studied in a male cohort of 94 talc miners and 295 talc millers, exposed to non-asbestiform talc with low quartz content.
  • (11) The pulsed dye laser can effectively fragment biliary calculi when transmitted through a small-diameter quartz fiber and may be useful as a tool for fragmenting retained common duct stones.
  • (12) In mice bearing the highly metastatic tumors B16 melanoma and Lewis lung carcinoma (LLC) treated with Hpd and laser light delivered through a quartz fiber optic significantly prolonged the median survival time.
  • (13) With a long-term (1 and 4 months) introduction of an additional amount of edible fats (beef, hog fats, butter, sunflower seed oil) to intact and intratracheally quartz-dust laden sexually mature male rats an organ-specific reaction to the supply of fat, and in intact rats, also some peculiarities of the reaction depending upon the kind of the introduced fats, were discovered.
  • (14) Using a fluorescence microscope with quartz optics and an image analyser, it was possible to measure the intracellular concentration of free calcium ions [Ca2+]i in single microvessels for the first time.
  • (15) The median amount of quartz for all cases, was 0.044 grams.
  • (16) The microscope is focused on an in-line quartz flow cell incorporated down stream of a microbore HPLC column or directly on an optically clear portion of fused-silica capillary columns for analyte detection.
  • (17) X-ray diffraction data from samples of 20, 60 and 100 mug quartz on poly-vinyl chloride membrane filters have been collected using a rotating anode x-ray source.
  • (18) Mentally,” an Uber driver who used to do contract limo work told a reporter from business magazine Quartz last week, “these rating systems affect us a lot… If I am driving somebody who doesn’t live in New York, and they complain that I took the wrong route, how would they know the route that I should have taken?” He went on to note that in 20 years of working with corporate employees, he hadn’t a single customer complaining.
  • (19) There are closed relations between progressive systemic sclerosis (PSS) and exposure to quartz dust in the GDR.
  • (20) A 630 nanometer wavelength of light was delivered through a quartz-optical fiber with either a regular flat end for focal illumination or a bulb-type end which produced an isotropic light pattern.