Quartzoid Quartz"oid, n. [Quartz + -oid.] (Crystallog.) A form of crystal common with quartz, consisting of two six-sided pyramids, base to base. [1913 Webster]

The Collaborative International Dictionary of English. 2000.

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  • quartzoid — ˈkwȯrtˌsȯid noun ( s) : a crystal that is common with quartz and consists of a combination of the hexagonal prism and dipyramid * * * ˈquartzoid [f. as quartz + oid.] A crystal having the form of a double six sided pyramid. Webster cites Dana.… …   Useful english dictionary

  • quartzoid — quartz·oid …   English syllables

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