Completely transparent plaster. Size of the piece 8 x 6 cm and a weight of 83 gr. Teruel origin.
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.
Gypsum crystallizes in prismatic habit, tabular and rhombic shaped crystals with beveled edges. It appears in crystals, sometimes large and arrowhead or spearhead.
