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Keyword [chalcedony]
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1. Yunnan Longling Xiaoheishan Area "yellow Series Chalcedony Gemstone Characteristics
2. A Preliminary Study Of The Micro-fabric Features Of Jades Of SiO2
3. Study On Gemmological And Mineralogical Characteristics Of Chrysocolla Chalcedony And Its Application In Origin Traceability
4. The Gemological And Origin Of Color Datong Ziyu
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