Feldspars make up the most abundant mineral group on earth: they form about 60% of the earth’s crust and are present in all kinds of rocks – magmatic, metamorphic or sedimentary. Based on their mineralogical composition, there are four types of feldspar: potassic, sodium, calcic, barium. Turkey is the biggest producer of feldspar in the world while Europe has several deposit of potassic and sodium feldspar mainly used for industrial purposes due to its high alumina and alkali content.
I.MA.F. knows that feldspar is a fundamental component in the production process of ceramic and glass industry. For this reason it sells feldspars of different particle size for different purposes.