... clay exploit in Original place Dingshu town exquisite workmanship Our ceramic tea pots are mainly used in making tea.Its raw ... healthy, whereas the research proves that purple clay contains SiO2, Al2O3, Fe2O3, MGO, CaO, these minerals are so good for healthy ... muscle cramps, aches and pains etc. Yixing hand-make lettering Ceramic tea pot(002)