Los depósitos minerales de pirofilita de Villa Unión (Rioja Argentina) y sus posibles aplicaciones en cerámica y vidrio

Abstract

The pyrophillite and sericite from the Mining District of Villa Union , Rioja, in Argentina arew eelknown because they are a wide area of metamorphic rocks, Precambric or Paleozoic, well distributed and communicated at approx. 20 km from National Roads. Nowadays, two ores with different mixtures of: pyrophillite + kaolinite + quartz ( white and brilliant ) and other constituted by sericite ( schist aspect and silk b r i l l i a n t ) are being exploted. In o rd e r to define the applications as ra w materials fo r ceramics and glasses production, a full characterization of the Vicchi and San Lorenzo Mines materials are being carried out. Several ceramics, traditional and advanced, are being obtained and materials characterized for best define the applications of this argentinian raw materials. It has been demonstrated the obtention of ceramics based on cordierite and/ or leucite by formulating ceramic bodies from this pyrophiiiite products