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quartz
 
Noun quartz has 2 senses
  1. quartz glass, quartz, vitreous silica, lechatelierite, crystal - colorless glass made of almost pure silica
    --1 is a kind of natural glass
  2. quartz - a hard glossy mineral consisting of silicon dioxide in crystal form; present in most rocks (especially sandstone and granite); yellow sand is quartz with iron oxide impurities
    --2 is a kind of     mineral
    --2 has substances:
     silicon, Si, atomic number 14; silica, silicon oxide, silicon dioxide
     --2 has particulars:
     quartz crystal; rock crystal, transparent quartz; cairngorm, smoky quartz; amethyst; chalcedony, calcedony; citrine; rose quartz; sunstone, aventurine; topaz, false topaz, common topaz
quartic quartic polynomial quartier quartiers quartile quartinne quarto quarts quartz quartz battery quartz crystal quartz glass quartz lamp quartz mill quartz oscillator quartz stationers quartzite

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