Origin
Recipes vary; tin and other opacifiers were used.
Properties
- Opaque
- Smooth
- Can craze
Preparation
Apply over the body before painting and firing.
Care & preservation
Do not soak crazed or flaking glaze.
General guidance only. For valuable or fragile pieces, consult a qualified conservator before cleaning or treatment.
Used in these crafts
Haft-rang tilework
Square polychrome tiles painted with several overglaze colours and fired together, allowing large architectural schemes to be produced faster than cut tile mosaic.
Slip-painted ceramics
Earthenware decorated with coloured slips under a clear or tinted glaze, including early Islamic Nishapur-type wares and later village production such as Lalejin.