Pearl vs Moyobamba

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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

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Moyobamba (Spanish pronunciation: [moʝoˈβamba]) or Muyupampa (Quechua muyu circle, pampa large plain, "circle plain") is the capital city of the San Martín Region in northern Peru. Called "Santiago of eight valleys of Moyobamba" or "Maynas capital". There are 50,073 inhabitants, according to the 2017 census. Some 3,500 species of orchids are native to the area, which has led to the city's nickname of The City of Orchids.

The city is the capital of both Moyobamba Province and Moyobamba District. The city is linked by road with Tarapoto to the southeast, Rioja to the west and Bagua to the northwest. Roads connect Moyobamba to the Pacific coast by way of Bagua and Olmos to the north and Cajamarca to the southwest.

Source: Wikipedia