Research on the origin and occurrence of gems and jades is one of the hottest topic in geology, gemmology and archaeology.
摘要玉产地来究是近年地质、和考古界热门话题之一。
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Some materials that are culturally prized as gems aren't minerals or gems in the strictest geological sense: things like amber, jet, coral, and pearl.
有些材料在文化意义上被视为矿物,但从严格学角度上它们并矿物或,例如:、精、珊瑚和珍珠。
The Gemological Institute of America, sometimes known as the GIA (not to be confused with the CIA – the Central Intelligence Agency) is the leading authority in gemology in the United States.
美国学院,有时也称为 GIA(不要与中央情报局 - 中央情报局混淆)是美国学主要权威机构。
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