Title: Piedras preciosas y joyas
Description: Describes how crystals form in nature, how crystals are grown artificially, and how crystals are used in industry. Numerous color photos with text identify the various gemstones.
Subjects: Crystals, Juvenile literature, Crystallography, Precious stones, Cristaux, Ouvrages pour la jeunesse, Cristallographie, Cristales, Literatura juvenil, Cristalografía, Piedras preciosas, Precious stones, juvenile literature, Diamonds