The Malachite Box them are keepers of hidden underground riches. The Mistress, described as either a beautiful green-eyed woman in malachite gown or a lizard with the crown on her head, is the keeper of gemstones. Poloz is the master of every existing piece of gold. The miners believed that if a gold-bearing lode disappeared, it meant that the Great Snake moved it to a different place. Bazhov introduced numerous daughters of Poloz, including Golden Hair from the tale of the same name. The relationship between Poloz and the Mistress is unclear. Bazhov commented that he asked some story-tellers about it, but they
Malachite for decorative purposes, such as in the Malachite Room in the Hermitage Museum, which features a huge malachite vase, and the Malachite Room in Castillo de Chapultepec in Mexico City. "The Tazza", a large malachite vase, one of the largest pieces of malachite in North America and a gift from Tsar Nicholas II, stands as the focal point in the centre of the room of Linda Hall Library. Malachite has also been used on the base of the FIFA World Cup Trophy. A 17th-century Spanish superstition held that having a child wear a lozenge of malachite would help them sleep,