汝窯, 微觀, 結晶, 鑒定, 祭藍, 雙耳爐, Ru ware, ritual blue, censer, Authentication, microscopy, crystals, anorthite, glaze, Ceramics, 21 cm

汝窯, 雙耳爐, 微觀, 結晶, 鑒定, 祭藍, Ru ware, ritual blue, censer, Authentication, microscopy, crystals, anorthite, glaze, Ceramics, 21 cm