Jeff has provided four porcelain yunomi (three pictured above) made from 'Southern Ice Porcelain', a very expensive and highly translucent porcelain from Australia. The yunomi have a 'Ying Ch'ing' or a warm 'shadow blue' or slightly green celadon glaze with a nice translucency. The red tinges came from a carefully positioned neighbouring pot in the kiln, that had a copper-bearing glaze. As the copper vaporized this particular celadon captures it.
Yin Ch'ing porcelain believed to be originally created in the late tenth century in China, is made from a fine white paste covered with a thin, lustrous glaze that ranged in color between light blue and white