It must also not be full of argillaceous and iron-oxide infillings.
The iron-oxide slip which extends to the midsection of the body is well mottled and predominantly of good color.
Mugs in this ware were banded with an iron-oxide slip, presumably to cover up defects around the rims.
|ferric oxide |
A reddish-brown to silver or black compound which occurs naturally as the mineral hematite and as rust. It is often used as a pigment and a metal polish. Chemical formula: Fe2O3.
|iron oxide |
Any of various oxides of iron, such as ferric oxide or ferrous oxide.