What's the difference between alabaster and quartz?

Alabaster


Definition:

  • (n.) A compact variety or sulphate of lime, or gypsum, of fine texture, and usually white and translucent, but sometimes yellow, red, or gray. It is carved into vases, mantel ornaments, etc.
  • (n.) A hard, compact variety of carbonate of lime, somewhat translucent, or of banded shades of color; stalagmite. The name is used in this sense by Pliny. It is sometimes distinguished as oriental alabaster.
  • (n.) A box or vessel for holding odoriferous ointments, etc.; -- so called from the stone of which it was originally made.

Example Sentences:

  • (1) Among other Hepworths on show is Sculpture With Profiles, a curvaceously hewn piece of white alabaster on which eyes and noses have been etched.
  • (2) It's not to do with having a perfect profile or alabaster teeth."
  • (3) Martin is a pale and slender woman in her early 20s; an alabaster saint who looks as if she would crack if you leaned on her too hard.
  • (4) One is a simple drawing of a heart, which Emin now wants to make in pink alabaster.
  • (5) He points at the rows of carved sphinxes, busts of Nefertiti and various pharaohs that line the shop, themselves symbols of Egyptian industry: black granite from Aswan, sparkling white alabaster from Luxor, or stones from Sinai, Sohag and Minya, all carved by local artisans .
  • (6) "I'm sure the first alabaster heart will be a disaster, I'd have to keep working at it, but it's about me being driven by myself," she says.
  • (7) Graham Alabaster, senior adviser, WHO-UNHabitat , Geneva, Switzerland.
  • (8) Not football: If there's a better way to pass the time before kick-off than watching a pasty, alabaster white Irishman gadding about in a boat off the coast of Spain with three elite British Olympic athletes , this minute-by-minute reporter can't think of one.
  • (9) In contrast, all 19 babies with a previous family history of melanoma had a fair complexion (blond or light brown hair and alabaster skin color) but no congenital melanocytic nevi.
  • (10) Two large mannequin suppliers said their most popular color is alabaster white, although it used to be “flesh tone” – that is, flesh-toned if you are white.

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.

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