L'argile violette contre les autres céramiques : pourquoi ce matériau ancestral règne encore en maître
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 […]








