SPECTACULAR GEODA OF CELESTINA DE TORA, LLEIDA TOTALLY TRANSPARENT NEEDLE TYPE CRYSTALS. VERY GOOD PIECE FOR YOUR COLLECTION.
Celestine, or Celestite , is a mineral derived from strontium sulfate. Its name comes from "Caelestis", the color blue. It is within the classification of sulfates, and anhydrous sulfates. It belongs to the Barite family