Pearl vs Reggio di Calabria

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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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Reggio di Calabria (UK: , US: , Italian: [ˈreddʒo di kaˈlaːbrja; ˈrɛddʒo -]; Reggino: Rìggiu; Bovesia Calabrian Greek: Righi; Ancient Greek: Ῥήγιον, romanized: Rhḗgion; Latin: Rhēgium), commonly known as Reggio Calabria (listen) or simply Reggio in Southern Italy, is the largest city and the most populated comune of Calabria. It is the capital of the Metropolitan City of Reggio Calabria and the seat of the Regional Council of Calabria. Reggio is located on the "toe" of the Italian Peninsula and is separated from the island of Sicily by the Strait of Messina. It is situated on the slopes of the Aspromonte, a long, craggy mountain range that runs up through the centre of the region. The third economic centre of mainland Southern Italy, the city proper has a population of more than 200,000 inhabitants spread over 236 square kilometres (91 sq mi), while the fast-growing urban area numbers 260,000 inhabitants. About 560,000 people live in the metropolitan area, recognised in 2015 by Italian Republic as a metropolitan city.As a major functional pole in the region, it has strong historical, cultural and economic ties with the city of Messina, which lies across the strait in Sicily, forming a metro city of less than 1 million people.Reggio is the oldest city in the region, and during ancient times, it was an important and flourishing colony of Magna Graecia.

Reggio has a modern urban system, set up after the catastrophic earthquake of 1908, which destroyed most of the city. The region has been subject to earthquakes.It is a major economic centre for regional services and transport on the southern shores of the Mediterranean. Reggio, with Naples and Taranto, is home to one of the most important archaeological museums, the prestigious National Archaeological Museum of Magna Græcia, dedicated to Ancient Greece (which houses the Bronzes of Riace, rare example of Greek bronze sculpture, which became one of the symbols of the city). Reggio is the seat, since 1907, of the Archeological Superintendence of Bruttium and Lucania. The city centre, consisting primarily of Liberty buildings, has a linear development along the coast with parallel streets, and the promenade is dotted with rare magnolias and exotic palms. Reggio has commonly used popular nicknames: The "city of Bronzes", after the Bronzes of Riace that are testimonials of its Greek origins; the "city of bergamot", which is exclusively cultivated in the region; and the "city of Fatamorgana", an optical phenomenon visible in Italy only from the Reggio seaside.

Source: Wikipedia