SPECTACULAR PIECE OF PLASTER MULTI-GLASSES ON MATRIX. FULLY TRANSPARENT CRYSTALS IN PUNTA DE AGUJA, AND CRYSTALLINE PERFECTION. EXCLUSIVE PIECE FOR GOOD COLLECTORS. PIECE EXTRACTED IN THE SAN TIMOTEO MINE (MURCIA)
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.