Southern Red Agate: The Complete Guide to Colors, Quality, and Authenticity
Southern Red Agate—often called Nanhong—is the most prized and well-known type of chalcedony in the Chinese market. Historically recorded as “Chi Qiong”,…
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Understanding Jadeite Color Foundation: What Is Huadi and How Does It Affect Jadeite Quality?
When buying jadeite, professional terms like “Huadi” (花地)—literally translated as “Color Foundation” or “Color Base”—often pop up, such as “Ice Huadi” or…
