Mineral Examples of such minerals are malachite (green) and azurite (blue). In contrast, allochromatic elements in minerals are present in trace amounts as impurities. An example of such a mineral would be the ruby and sapphire varieties of the mineral corundum. The colours of pseudochromatic minerals are the result of interference of light waves. Examples include labradorite and bornite. In addition to simple body colour, minerals can have various other distinctive optical properties, such as play of colours, asterism, chatoyancy, iridescence, tarnish, and pleochroism. Several of these properties involve variability in colour. Play of colour, such as in opal, results in
The Malachite Box been rewarded by them rarely live happily ever after. These characters usually die soon. Snakes live underground (according to the legends, in the underworld) and are traditionally associated with the Chthonic deities. Many scholars highlighted the potently ideological nature of "The Malachite Box", especially regarding the stories created at the end of the Great Patriotic War (1941–1945) and in the post-war years. Bazhov's work was supported by the Party. It was in high demand from the very beginning due to the shortage of the "workers' folklore", which should have represented the so-called class consciousness of the proletariat. The book conveys