SODA FELDSPAR
ca: FELDSPAT SODIC
Soda feldspars are a group of minerals which can be found in any kind of rock, they correspond to the silicates of aluminum and calcium, sodium and potassium. They are all hard and white minerals.
In ceramics they act as flux, as the part of the material which develops during the vitrifying process. They are also an important ingredient in the composition of some glazes.
