Word | Noun | Adjective | Verb | Adverb |
---|---|---|---|---|
chalcedony | Yes | No | No | No |
quartz | Yes | No | No | No |
chalcedony (noun) | quartz (noun) |
---|---|
a milky or greyish translucent to transparent quartz | 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 |
colorless glass made of almost pure silica |