Yichang agate is characterized by multicolour , complicatedshape and a great variety . The main varieties , such as sardonyx and landscape agate , are possessed ofcommerical value .
其玛瑙品种繁多,色彩艳丽,形态万千,主要品种如缠丝玛瑙、宜昌风景石等极富商用价值。
Onyx , sard , and sardonyx are all varieties of chalcedony ( microcrystaline quartz ) .
玛瑙,可持续农业和农村,玉髓和玛瑙是所有品种(microcrystaline石英)。
The fifth , sardonyx ; the sixth , sardius ; the seventh , chrysolite ; the eighth , beryl ; the ninth , topaz ; the tenth , chrysoprase ; the eleventh , jacinth ; the twelfth , amethyst .
The fifth , sardonyx ; the sixth , sardius ; the seventh , chrysolyte ; the eighth , beryl ; the ninth , a topaz ; the tenth , a chrysoprasus ; the eleventh , a jacinth ; the twelfth , an amethyst .
The fifth , sardonyx : the sixth , sardius : the seventh , chrysolite : the eighth , beryl : the ninth , a topaz : the tenth , a chrysoprasus : the eleventh , a jacinth : the twelfth , an amethyst .