ell: χαλαζίας

Information
has URI	http://lexvo.org/id/term/ell/%CF%87%CE%B1%CE%BB%CE%B1%CE%B6%CE%AF%CE%B1%CF%82

Meaning
means	(noun) a hard glossy mineral consisting of silicon dioxide in crystal form; present in most rocks (especially sandstone and granite); yellow sand is quartz with iron oxide impurities quartz
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means	(noun) colorless glass made of almost pure silica quartz glass, quartz, lechatelierite, crystal, vitreous silica