BEAUTIFUL ARROWHEAD CRYSTAL EXTRACTED INSIDE A GEODE IN FUENTES DE EBRO, ZARAGOZA. THIS PARTICULAR PIECE HAS A GHOST CRYSTAL INSIDE THE OTHER, YOU CAN SEE IT IN THE PHOTOS.
Gypsum is a mineral composed of calcium sulfate.
It is a sedimentary rock of chemical origin. It is very common and can form sedimentary rocks.
The gypsum crystallizes into crystals with a prismatic, tabular shape and rhombic shape with beveled edges. It occurs in crystals, sometimes large and pointed at arrowheads or spearheads.
