SPECTACULAR CRYSTALS ON PLASTER MATRIX, TOTALLY TRANSPARENT FROM THE AREA OF SEGORBE IN CASTELLON. MAIN CRYSTAL WITH ABNORMAL FORMATION BUT ENTIRE. PERFECT CRYSTALLIZATION. PIECE FOR COLLECTORS
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 in prismatic, tabular and rhombic-shaped crystals with beveled edges. It occurs in crystals, sometimes large and arrowhead or spearhead.