... fresh taste poetry, painting, carving and handicraft together purple clay tea potis very special teaware, which can be only found ... carving and handicraft into one teapot. From scientific research, purple clay does not contain lead, arsenic, cadmium, chromium, and other ... , whereas the research proves that purple clay contains SiO2, Al2O3, Fe2O3, MgO, CaO, these minerals are so good for healthy, such ...