• Quartz

    Pronunciation

    Origin

    German Quarz, from Middle High German twarc, probably from a language (compare Czech tvrdý ("hard"), Polish twardy ("hard"), Russian твёрдый ("hard")), from Old Church Slavonic тврьдъ ("firm"), from Proto-Slavic *tvьrdъ.

    Full definition of quartz

    Noun

    quartz

    (countable and uncountable; plural quartzs)
    1. (mineralogy) The most abundant mineral on the earth's surface, of chemical composition silicon dioxide, SiO2. It occurs in a variety of forms, both crystalline and amorphous. Found in every environment.
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