Other materials used in arts and crafts. especially in jewelry, are chosen from a vast variety of semi-precious stones, many of which found in Peru, while others are imported, like in the pre-hispanic era in what is today Colombia and Ecuador. Generally these stones, the most spectacular of which are Peruvian turquoise or crisocola,onyx,obsidian and opal, are used to make necklaces, earrings, rings and bracelets.
