Ricciardelli’s products are
classified as “majolica or faience” that means products obtained by objects
that during the firing result of a porous and absorbing structure with
different colours for oxides in the clay. These products are covered by a glaze
and transparent enamel. Temperature of firing: 900° C – 950°C.
First phase: the clay
take shape and the “biscuit”
Ricciardelli workshop buy the “biscuit” from
“tornianti” (who lathes the clay in order to shape it). The term “biscotto”
means an rose-coloured object, that it is shaped with clay and firing for the
first time at 950 e i 980 °C.
Second phase: glaze
In the workshop, the “biscuit” is immersed in a
covering, called “smalto” (in English “glaze”). When the glazed object is dry,
Ricciardelli paints it with a thin brush.
The colours used are powder but adding water it
is possible use brush to paint.
If you touch the product now it is like covered
Third phase: the second firing
The painted object
is put inside a kiln for the second time at 920°C, previously application
of “cristallina” in order to get the product bright.
After firing the
colour are different than they are before it, for example blu is violet
Fourth phase: the
For decor with application of gold, silver or other iridescence it need a
third firing, as result we can use the term product in third firing to
indicate, for example, décor “Melograno” (in English “pomegranate”) or "Arabesque".