The mineral in its pure state :
selenite, a variety of gypsum which is then powder
after being pulverised and 'cooked'.
Preparation of the design/board and its colouring.
A mallet and chisel is used to engrave
the ornamental motif of the slab
on a support which may be stone,
marble or entirely od scagliola.
Prepaartion of the meschia(mixture):
this is obtained by mixing selenite powder with
pigments and natural glues.
Further engraving with a graver in order to obtain fine detailed
Further more fluid mixes of scagliola
are inserted into these furrows or channels.
The surfaces are smoothed with pumice.
When the various engravings and colourings
have been completed, oil/wax anf polishing
stones are used to give a shine to the product.