quartz

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English[edit]

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A quartz crystal.

Etymology[edit]

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

Pronunciation[edit]

  • (file)

Noun[edit]

quartz (countable and uncountable, plural quartzes)

  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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French[edit]

Pronunciation[edit]

Noun[edit]

quartz m (plural quartz)

  1. quartz

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