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Tahitian Pearl
The Tahitian pearl (or black pearl) is an organic gem formed from the black lip oyster ('' Pinctada margaritifera'').Newman, Renee. ''Pearl Buying Guide''. "Black Pearls." Los Angeles: International Jewelry Publications, c2005, p. 73 These pearls derive their name from the fact that they are primarily cultivated around the islands of French Polynesia, around Tahiti. Description Tahitian pearls come in a range of colors from white to black. They can contain various undertones and overtones of green, pink, blue, silver and yellow. The most valuable of these are of the darker variety, as the naturally dark tones of the Tahitian pearls is a unique quality among pearls. A true black Tahitian pearl is extremely rare, and largely considered one of the most beautiful kinds of pearls in the world. Most Tahitian pearls that are identified as “black” are actually charcoal grey, silver, or dark green. An advantage of the Tahitian pearl is that the oyster inside of which they grow is quite ...
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Perles De Tahiti (3)
Perles may refer to *Perles, Aisne, a commune in the Aisne department in Picardie in northern France * Perles-et-Castelet, a commune in the Ariège department in southwestern France *Perles, the French name for Pieterlen, Switzerland * Alfred Perlès (1897–1990), Austrian-British writer *George Perles (1934–2020), American football coach *Joseph Perles (1835–1894), Hungarian rabbi *Micha Perles, Israeli mathematician **Perles configuration In geometry, the Perles configuration is a system of nine points and nine lines in the Euclidean plane for which every combinatorially equivalent realization has at least one irrational number as one of its coordinates. It can be constructed from ... * Tessalon Perles See also * Perle (other) * Perls {{Disambiguation, geo, surname ...
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Epithelial
Epithelium or epithelial tissue is one of the four basic types of animal tissue, along with connective tissue, muscle tissue and nervous tissue. It is a thin, continuous, protective layer of compactly packed cells with a little intercellular matrix. Epithelial tissues line the outer surfaces of organs and blood vessels throughout the body, as well as the inner surfaces of cavities in many internal organs. An example is the epidermis, the outermost layer of the skin. There are three principal shapes of epithelial cell: squamous (scaly), columnar, and cuboidal. These can be arranged in a singular layer of cells as simple epithelium, either squamous, columnar, or cuboidal, or in layers of two or more cells deep as stratified (layered), or ''compound'', either squamous, columnar or cuboidal. In some tissues, a layer of columnar cells may appear to be stratified due to the placement of the nuclei. This sort of tissue is called pseudostratified. All glands are made up of epitheli ...
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Economy Of French Polynesia
The economy of French Polynesia is one of a developed country with a service sector accounting for 75%. French Polynesia's GDP per capita is around $22,000, one of the highest in the Pacific region. History Past economy Before French colonisation, the Polynesian islands that constitute nowadays French Polynesia, relied on a subsistence economy. Work was heavily organised and performed by the community as a whole under the direction of the Arii ruling class and the priests. Mountains were terraced for agriculture production, river banks were contained by stone walls, artificial soil was created on atolls in large trenches, and large systems made out of coral stone walls trapped and stocked live fish. Production outputs were divided by the ruling class between the population. After the contact was established with European ships, foreign diseases killed large portions of the populations, and Christian beliefs and clergy produced a huge shift in the culture of those islands. ...
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Servilia's Pearl
Servilia's pearl was a pearl given by Julius Caesar to his favourite mistress Servilia. It was described by imperial biographer Suetonius to be a lone (''uniones'', meaning "singleton") large black pearl worth six million sesterces (approximately 1.5 billion dollars in 2019 value), making it perhaps the most valuable gem of all time. It may also be the first known individual pearl recorded in human history. Historical context Caesar was said to be a great connoisseur of pearls; guessing their value just by weighing them in his palm was one of his party tricks, and during his consulship he had restricted the buying of pearls based on age, marital status and wealth. Unmarried women were not allowed to own them (this resulted in a surge in weddings in Rome) and people who were not affluent enough to acquire them safely without risking their financial security were banned from purchasing them. There are conflicting reports on when exactly Caesar gave Servilia the pearl; some source ...
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Tahitians
The Tahitians ( ty, Māohi; french: Tahitiens) are the Polynesian ethnic group indigenous to Tahiti and thirteen other Society Islands in French Polynesia. The numbers may also include the modern population in these islands of mixed Polynesian and French ancestry (french: demis). Indigenous Tahitians are one of the largest Polynesian ethnic groups, behind the Māori, Samoans and Hawaiians. Pre-European period and customs The first Polynesian settlers arrived in Tahiti around 400 AD by way of Samoan navigators and settlers via the Cook Islands. Over the period of half a century there was much inter-island relations with trade, marriages and Polynesian expansion with the Islands of Hawaii and through to Rapanui. The original Tahitians cleared land for cultivation on the fertile volcanic soils and built fishing canoes. The tools of the Tahitians when first discovered were made of stone, bone, shell or wood. The Tahitians were divided into three major classes (or castes): '' ...
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Archipelago
An archipelago ( ), sometimes called an island group or island chain, is a chain, cluster, or collection of islands, or sometimes a sea containing a small number of scattered islands. Examples of archipelagos include: the Indonesian Archipelago, the Andaman and Nicobar Islands, the Lakshadweep Islands, the Galápagos Islands, the Japanese archipelago, the Philippine Archipelago, the Maldives, the Balearic Islands, The Bahamas, the Aegean Islands, the Hawaiian Islands, the Canary Islands, Malta, the Azores, the Canadian Arctic Archipelago, the British Isles, the islands of the Archipelago Sea, and Shetland. They are sometimes defined by political boundaries. For example, the Gulf archipelago off the northeastern Pacific coast forms part of a larger archipelago that geographically includes Washington state's San Juan Islands; while the Gulf archipelago and San Juan Islands are geographically related, they are not technically included in the same archipelago due to manmad ...
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Gambier Archipelago
The Gambier Islands ( or ) are an archipelago in French Polynesia, located at the southeast terminus of the Tuamotu archipelago. They cover an area of , and are made up of the Mangareva Islands, a group of high islands remnants of a caldera along with islets on the surrounding fringing reef, and the uninhabited Temoe atoll, which is located 45 km (28 mi) south-east of the Mangareva Islands. The Gambiers are generally considered a separate island group from Tuamotu both because their culture and language (Mangarevan) are much more closely related to those of the Marquesas Islands, and because, while the Tuamotus comprise several chains of coral atolls, the Mangareva Islands are of volcanic origin with central high islands. Administratively, the Gambier Islands are inside the commune of Gambier, which also includes several atolls in the Tuamotu Archipelago. The town hall (''mairie'') of the commune of Gambier is located on Mangareva, in the Gambier Islands. The population of the ...
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Tuamotu
The Tuamotu Archipelago or the Tuamotu Islands (french: Îles Tuamotu, officially ) are a French Polynesian chain of just under 80 islands and atolls in the southern Pacific Ocean. They constitute the largest chain of atolls in the world, extending (from northwest to southeast) over an area roughly the size of Western Europe. Their combined land area is . This archipelago's major islands are Anaa, Fakarava, Hao and Makemo. The Tuamotus have approximately 16,000 inhabitants. The islands were initially settled by Polynesians, and modern Tuamotuans have inherited from them a shared culture and the Tuamotuan language. The Tuamotus are a French overseas collectivity. History The early history of the Tuamotu islands is generally unknown. Archaeological findings suggest that the western Tuamotus were settled from the Society Islands as early as 900 CE or as late as 1200 CE. DNA evidence suggests that they were settled about 1110 CE. On the islands of Rangiroa, Manihi and Mataiva, t ...
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Export
An export in international trade is a good produced in one country that is sold into another country or a service provided in one country for a national or resident of another country. The seller of such goods or the service provider is an ''exporter''; the foreign buyer is an '' importer''. Services that figure in international trade include financial, accounting and other professional services, tourism, education as well as intellectual property rights. Exportation of goods often requires the involvement of customs authorities. Firms Many manufacturing firms begin their global expansion as exporters and only later switch to another mode for serving a foreign market. Barriers There are four main types of export barriers: motivational, informational, operational/resource-based, and knowledge. Trade barriers are laws, regulations, policy, or practices that protect domestically made products from foreign competition. While restrictive business practices sometimes hav ...
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Organic Matter
Organic matter, organic material, or natural organic matter refers to the large source of carbon-based compounds found within natural and engineered, terrestrial, and aquatic environments. It is matter composed of organic compounds that have come from the feces and remains of organisms such as plants and animals. Organic molecules can also be made by chemical reactions that do not involve life. Basic structures are created from cellulose, tannin, cutin, and lignin, along with other various proteins, lipids, and carbohydrates. Organic matter is very important in the movement of nutrients in the environment and plays a role in water retention on the surface of the planet. Formation Living organisms are composed of organic compounds. In life, they secrete or excrete organic material into their environment, shed body parts such as leaves and roots and after organisms die, their bodies are broken down by bacterial and fungal action. Larger molecules of organic matter can be formed ...
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Nucleus
Nucleus ( : nuclei) is a Latin word for the seed inside a fruit. It most often refers to: *Atomic nucleus, the very dense central region of an atom *Cell nucleus, a central organelle of a eukaryotic cell, containing most of the cell's DNA Nucleus may also refer to: Science, technology, and mathematics Astronomy *Active galactic nucleus in astronomy *Comet nucleus, the solid, central part of a comet Biology *Cell nucleus, a central organelle of a eukaryotic cell, containing most of the cell's DNA *Nucleus (neuroanatomy), a cluster of cell bodies of neurons in the central nervous system *Nucleus that forms in the eye in nuclear sclerosis (early cataracts) *''Nucleus'', a scientific journal concerned with the cell nucleus; published by Taylor & Francis *Nucleus, a small colony of honeybees, induced to raise a new queen by the beekeeper Computer systems * Nucleus (operating system), sometimes a synonym for kernel * Nucleus CMS, a weblog system * Nucleus RTOS, a real-time oper ...
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Nacre
Nacre ( , ), also known as mother of pearl, is an organicinorganic composite material produced by some molluscs as an inner shell layer; it is also the material of which pearls are composed. It is strong, resilient, and iridescent. Nacre is found in some of the most ancient lineages of bivalves, gastropods, and cephalopods. However, the inner layer in the great majority of mollusc shells is porcellaneous, not nacreous, and this usually results in a non-iridescent shine, or more rarely in non-nacreous iridescence such as ''flame structure'' as is found in conch pearls. The outer layer of cultured pearls and the inside layer of pearl oyster and freshwater pearl mussel shells are made of nacre. Other mollusc families that have a nacreous inner shell layer include marine gastropods such as the Haliotidae, the Trochidae and the Turbinidae. Physical characteristics Structure and appearance Nacre is composed of hexagonal platelets of aragonite (a form of calcium carbonate) ...
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