Sulfates
7th Class - Sulfates, Selenates, Tellurates, Chromates, Molybdates, Wolframates
This class represents great group of minerals with respective complexes: SO4, TeO4, CrO4, MoO4, WO4 tetrahedra. This class is classified into groups of hydrous and anhydrous minerals.
barzt na křemeni s galenitem
|