BARITE CRYSTALS OF LARGE SIZE MIXED WITH DIFFERENT CALCITE CRYSTALS AND DISTRIBUTED THROUGHOUT THE MATRIX SOME FLUORITE CRYSTAL. GOOD QUALITY PIECE FROM THE EMILIO MINE IN ASTURIAS.
Barite or Barite , comes from "heavy", being a mineral that weighs more than normal.
It is a mineral of the class of sulfates.
Chemically it is used to obtain Barium sulfate.