Formation Mechanism and Gemological Characteristics of “Yellow-Skinned” Nanhong Agate in Northeastern Yunnan, China: Evidence from Mineralogy and Geochemistry

Formation Mechanism and Gemological Characteristics of “Yellow-Skinned” Nanhong Agate in Northeastern Yunnan, China: Evidence from Mineralogy and Geochemistry

The “yellow-skinned” Nanhong agate represents a unique variety of Nanhong agate found in northeastern Yunnan, China, and it is highly valued for its distinctive yellow exterior and clear red–yellow interface. Owing to the limited research on this variety, the present study provides the first compreh...

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Bibliographic Details
Main Authors: Qiuyun Song, Shitao Zhang, Wenzhou Pu, Liurunxuan Chen, Ruohan Zuo, Xianchao Chen, Dai Zhang, Wenlian Liu
Format: Article
Language:English
Published: MDPI AG 2025-05-01
Series:Crystals
Subjects:
“yellow-skinned” Nanhong agate
gemology
microtextural
spectroscopy
geochemical characteristics
northeastern Yunnan
Online Access:https://www.mdpi.com/2073-4352/15/5/488
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