QUARTZ CRYSTAL • FREE TRANSLATOR.ORG • Definition of Quartz crystal

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/kwɔrts krˈɪstəl/ Listen

Quartz crystal

noun

A thin plate or small rod of quartz cut along certain lines and ground so that it can produce an electric signal at a constant frequency; used in crystal oscillators.

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Etymology of 'Quartz crystal'

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"Quartz crystal" Quotes from Famous Books

... print is sufficient for the purpose in view. The crystal with which we have had the most satisfactory and surprising results is a cube of fine azure beryl, the deep blue of its serene depths being peculiarly restful and inspiring. But, as we have said, nothing is more effective than the white quartz crystal when ...

— How to Read the Crystal - or, Crystal and Seer • Sepharial

... detect the glow of one of those limpid pebbles through the veil of dark sand. I would like to spend my Saturday holidays in that charming sport every now and then. Of course there are disappointments. Sometimes you find a diamond which is not a diamond; it is only a quartz crystal or some such worthless thing. The expert can generally distinguish it from the precious stone which it is counterfeiting; but if he is in doubt he lays it on a flatiron and hits it with a sledgehammer. If it is a diamond it holds ...

— Innocents abroad • Mark Twain