 quartz |
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| 1. | [ noun ] (chemistry) colorless glass made of almost pure silica | |
| Synonyms: | vitreous_silica lechatelierite crystal quartz_glass | |
| Related terms: | natural_glass crystallize crystallize | |
| 2. | [ noun ] (geology) 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 | |
| Related terms: | mineral quartz_crystal rock_crystal sunstone topaz chalcedony citrine rose_quartz cairngorm amethyst silica silicon | |
| Similar spelling: |
quartzose quartzite quartic |
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