Spectacular celestine geode, of very good crystalline quality, extracted in Guardo, Palencia. Semi-transparent crystals with the blue hue typical of celestine. A very fine piece from a private collection.
Celestine , or celestite , is a mineral derived from strontium sulfate. Its name comes from "Caelestis," meaning "blue." It falls under the classification of sulfates and anhydrous sulfates. It belongs to the barite family.