A form of silica, or silicon dioxide (SiO2), occurring in hexagonal crystals, which are commonly colorless and transparent, but sometimes also yellow, brown, purple, green, and of other colors; also in cryptocrystalline massive forms varying in color and degree of transparency, being sometimes opaque.
Quartz Translations
quartz in French is quartz
quartz in German is Quarz
quartz in Hungarian is kvarc
quartz in Spanish is cuarzo
quartz in Swedish is kvarts
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