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Lustres
and metallic tints :
These
are special decorative effects produced on the
coating of ceramic artefacts by means of a reducing
atmosphere - reduction of oxygen in the firing room
with smoke-producing substances - and low heat.
These effects are the result of firing processes
which fix minuscule particles of metal on the
surface of the coating. The Lustre effect is
obtained when the particles are distributed over the
glazed substance of the coating so as to crate an
iridescent phenomenon, and the tint when the
particles are so close to one other that they
produce an impression of almost solid metal. |
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