quartz

Words with a similar base: quartz, quartz_glass

'quartz'

[quartz_glass.n.01] as in: colorless glass made of almost pure silica

'quartz'

[quartz.n.02] as in: 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

Origins

					quartz (English)
└── Quarz (German)
    └── twarc (Middle High German (ca. 1050-1500))

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