agates

英[ˈægɪts]

n. 玛瑙( agate的复数形式 ); 玛瑙制（或装有玛瑙的）工具; <美> （小孩玩的）玛瑙纹玩具弹子; <美><印>5。5磅铅字

n. an impure form of quartz consisting of banded chalcedony; used as a gemstone and for making mortars and pestles