Quartz Arenite: A sandstone containing very little except pure quartz grains and cement.
Quartzite: (1) A very hard, clean, white metamorphic rock formed from a quartz arenite sandstone. (2) A quartz arenite containing so much cement that it resembles ( 1 ).
Quartzose Sandstone: (1) A quartz arenite. (2) A clean quartz sandstone, less pure than a quartz arenite, that may contain a moderate amount of other detrital minerals and/or calcite cement.
Quartzose: An adjective used in reference to a rock that is composted primarily of quartz.
Quartz-Iodine Lamp: Compact tungsten filament lamp designed to maintain its color temperature and light intensity throughout its working life.
Quartz: A powerful graphics system that delivers a rich imaging model, on-the-fly rendering, anti-aliasing, and compositing of PostScript graphics. Quartz also implements the windowing system for Ma . . . View Full Definition
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Income Tax: Common stock with a high dividend yield and few profitable investment opportunities.