Dimensions: Width: 20.5cm, Height: 25.5cmChinese Qing Dynasty Qianlong Tea Dust Glazed Porcelain Bottle Vase . The porcelain potted in vase shape, thick and tall, hexagonal globular lower body, emerging ribbon flanked on the straight hexagonal neck, flaring mouth rim, raised on a short ring foot base with slight concave. Warm and uniform tea dust glaze applied to the surface, only the outer bottom is white glazed. Tea powder glaze is one of the important varieties of iron crystal glaze in ancient China. The Iridescent Green pale, gilt splashes and streaks characteristic of this glaze are described as yao bian, or transmutation glaze and resulting from transmutation of colloidal copper, iron, or other metallic materials into suffusions breaking up the glaze surface.The underside unglazed, revealed the pale-creme ground revealed and dark greyish brown spotted firing marks and edge-cut foot rim.