Alunite and natroalunite from Veliki Bukovik

With the X-ray qualitative, semiquantitative powder diffraction analysis it was determined that in investigated sample from Veliki Bukovik there are following mineral species acording to their quantity: alunite (approx. 47%), natroalunite (approx. 47%), and insignificant jarosite (approx. 4%), quartz (approx. 1,5%) and feldspars (approx. 0,5%).Rendgenskom kvalitativnom, semikvantitativnom difrakcionom analizom praha određeno јеda se u ispitivanom uzorku sa Velikog Bukovika паlаzе sledeće mineralne vrste prema stepenu zastupljenosti: alunit (oko 47%), natroalunit (oko 47%), i neznatno jarozit (oko 4%), kvarc (oko 1,5°%) i feldspati (oko 0,5%)