The Malachite Casket (fairy tale) Malachite Casket: Tales from the Urals" collection. In the 1950s another translation of "The Malachite Casket" was made by Eve Manning The talented miner Stepan dies, leaving his widow Nastasya (Nastyona) and their two sons and a daughter. Nastasya becomes the owner of the Malachite Casket filled with jewellery, which Stepan got from the legendary Mistress of the Copper Mountain. Only Tanyushka likes to play with the Casket, and every piece of jewellery looks good on her. With black hair and green eyes, Tanyushka does not look like her mother at all, as if she was born to different parents.
Mineral they help to define the limits of what constitutes a mineral proper. The formal Nickel (1995) definition explicitly mentioned crystallinity as a key to defining a substance as a mineral. A 2011 article defined icosahedrite, an aluminium-iron-copper alloy as mineral; named for its unique natural icosahedral symmetry, it is a quasicrystal. Unlike a true crystal, quasicrystals are ordered but not periodic. Minerals are not equivalent to rocks. A rock is an aggregate of one or more minerals or mineraloids. Some rocks, such as limestone or quartzite, are composed primarily of one mineral—calcite or aragonite in the case of limestone, and