Word | Noun | Adjective | Verb | Adverb |
---|---|---|---|---|
quartz | Yes | No | No | No |
silica | Yes | No | No | No |
quartz (noun) | silica (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 | a white or colorless vitreous insoluble solid (SiO2); various forms occur widely in the earth's crust as quartz or cristobalite or tridymite or lechatelierite |
colorless glass made of almost pure silica |