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
Mineral a common formula of XY(Si,Al)O, where X and Y are both cations, with X typically bigger than Y; the pyroxenes are single-chain silicates that crystallize in either the orthorhombic or monoclinic crystal systems. Finally, a mineral variety is a specific type of mineral species that differs by some physical characteristic, such as colour or crystal habit. An example is amethyst, which is a purple variety of quartz. Two common classifications, Dana and Strunz, are used for minerals; both rely on composition, specifically with regards to important chemical groups, and structure. James Dwight Dana, a leading geologist of his time, first