Research on the origin and occurrence of gems and jades is one of the hottest topic in geology, gemmology and archaeology.
摘要宝玉石产来源的研究质学、宝石学和考古学界的热门话题之一。
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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.
有些材料在文化意视为矿物,但从严格的角度它们并矿物或,例如:琥珀、煤精、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)是美国的主要权威机构。
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