Purple Clay vs. Other Ceramics: Why This Ancient Material Still Reigns Supreme
The Geological Uniqueness of Purple Clay What makes the geology of purple clay so unique compared to other ceramics? Purple clay, or zisha, is geologically unique as it is a naturally occurring ore found only in Yixing, China. Formed from weathered sedimentary rock, it is rich in iron, quartz, and mica. Its distinct double-pored, unglazed […]
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