Kremenchuk vs Pearl

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Kremenchuk ( KREM-ən-CHOOK, KRIM-in-; Ukrainian: Кременчу́к, romanized: Kremenčúk [kremenˈtʃuk]) or Kremenchug ( -⁠CHOOG; Russian: Кременчу́г, romanized: Kremenčúg [krʲɪmʲɪnʲˈtɕuk]) an important industrial city in central Ukraine, stands on the banks of the Dnieper River. The city serves as the administrative center of the Kremenchuk Raion (district) in Poltava Oblast (province). Kremenchuk is administratively incorporated as a city of oblast significance administered by its own city council and does not form a part of the raion. Population: 223,805 (2015 est.) Along with its city-satellites Svitlovodsk and Horishni Plavni, Kremenchuk functions as an important urban agglomeration and transportation hub.

Although not as large as some other oblast centers and cities of regional significance, Kremenchuk has importance as a large industrial center in Ukraine and Eastern Europe - as the base of the KrAZ truck plant, the Kremenchuk Oil Refinery of Ukrtatnafta, the Kriukiv Railway Car Building Works, and the nearby (Svitlovodsk) Kremenchuk HES. Highway M22 crosses the Dnieper over the dam of the hydro-electric power-plant. Originally established on the left bank, Kremenchuk eventually incorporated the city of Kryukiv on the right bank. The Kryukiv Railway Car Building Works is one of the oldest railway-repair and rail-car-building factories in Eastern Europe, dating from 1869.

Source: Wikipedia

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A pearl is a hard, glistening object produced within the soft tissue (specifically the mantle) of a living shelled mollusk or another animal, such as fossil conulariids. Just like the shell of a mollusk, a pearl is composed of calcium carbonate (mainly aragonite or a mixture of aragonite and calcite) in minute crystalline form, which has deposited in concentric layers. The ideal pearl is perfectly round and smooth, but many other shapes, known as baroque pearls, can occur. The finest quality of natural pearls have been highly valued as gemstones and objects of beauty for many centuries. Because of this, pearl has become a metaphor for something rare, fine, admirable and valuable. The most valuable pearls occur spontaneously in the wild, but are extremely rare. These wild pearls are referred to as natural pearls. Cultured or farmed pearls from pearl oysters and freshwater mussels make up the majority of those currently sold.

Imitation pearls are also widely sold in inexpensive jewelry, but the quality of their iridescence is usually very poor and is easily distinguished from that of genuine pearls. Pearls have been harvested and cultivated primarily for use in jewelry, but in the past were also used to adorn clothing. They have also been crushed and used in cosmetics, medicines and paint formulations. Whether wild or cultured, gem-quality pearls are almost always nacreous and iridescent, like the interior of the shell that produces them. However, almost all species of shelled mollusks are capable of producing pearls (technically "calcareous concretions") of lesser shine or less spherical shape. Although these may also be legitimately referred to as "pearls" by gemological labs and also under U.S. Federal Trade Commission rules, and are formed in the same way, most of them have no value except as curiosities.

Source: Wikipedia