紫石，读音zǐ shí，汉语词语，意思是紫色石。传说古代曾用为货币。
紫石英 Fluorite ; Amethyst ; Fluoritum ; Fluorite Fluoritum
紫石英号事件 hms amethyst ; Amethyst Incident
紫石英粉末 Fluorite ; Fluorite Fluoritum ; Tokyo Violet Herb Herba Violae
紫石英玻璃 amethyst glass
紫石房蛤 Saxidomus purpuratus ; Saxidomus purpuratus Sowerby ; purpuratus
紫石英粉 Amethyst Powder
紫石英质 amethystine
紫苏辉石 [矿物] hypersthene ; szaboite ; hperstereoscopic iamge ; hyperite
天然宝石主要有：橄榄石、石榴石、海兰宝、白黄玉、兰黄玉、紫晶、黄晶、茶晶、红宝石、兰宝石等。
Natural gemstones are: olivine, garnet, Hailan Bao, white topaz, blue topaz, amethyst, topaz, citrine, ruby, sapphire and so on.
变石，紫翠玉一种淡绿色的金绿宝石，在人工灯光下呈红色，用作宝石。
A greenish chrysoberyl that appears red in artificial light used as a gemstone.
三江地区宝玉石资源主要有海蓝宝石、碧玺、黄玉、水晶、紫牙乌、芙蓉石、汉白玉等。
The Sanjiang area is rich in resources of gem jade stones, such as aquamarine, tourmaline, topaz, rock cristal , almandine, rose quartz, white marble, etc.
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