The ribbon stones are consisted of different color pebbles such as agate, chalcedony, jasper and quartzite.
纹石系由五颜六色的玛瑙，玉髓，碧玉，石英岩等卵砾所组成。

a chalcedony with alternating black and white bands
黑白带纹相交的玉髓

in fine jewellery , the black backdrop is often supplied by onyx , a black chalcedony
顶极珠宝经常使用优质色泽与质感的黑色

Blue chalcedony from Taiwan was found in HatanMountain Range of east bank of Taiwan island, and its occurence belongs to hydrothermal deposit.
蓝玉髓产于台湾东岸的海岸山脉，属热液成因。

Jasper is a granular chalcedony.
一对俄罗斯碧玉花瓶

a green variety of chalcedony valued as a gemstone
一种绿色的玉髓, 视作宝石

A translucent red or orange variety of chalcedony.
一种半透明的红色或橙色玉髓。

Theblue chalcedony from Taiwan is compared with its simulants in detail.
对台湾蓝玉髓与其仿品进行了详细对比。

A light green or light grayishgreen variety of translucent chalcedony.
葱绿玉髓浅绿或浅灰绿的各种半透明玉髓

A hard kind of stone; a form of silica more opaque than chalcedony.
一种硬石，硅石的一种形式，透明度不如玉髓。

A closely related variety of chalcedony, sard, differs only in the shade of red.
与肉红玉髓关系密切，不同的只在于红色色调上。

Budaoweng has two kinds, one is hydrogrossular, the other is chalcedony opal.
不倒翁有两种，一种为水钙铝榴石玉，另一种为玉髓蛋白石玉。