Pearl vs Éséka

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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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Mojibake (Wen Zi Hua ke, IPA: [modzibake]), is the uncodified text result of text being decoded with an unintended character encoding. This is the systematic replacement of symbols by completely unrelated symbols, often using a different writing system. In places where the binary representation has been invalidated, this display can include the generic replacement character (). Multiple consecutive symbols can be substituted if the binary code is used in both encodings. This could be due to different constant length encodings (e.

g. Asian 16-bit encoders vs European eight-bit encoders) or variable length encoders (such as UTF-8 or UTF-16). Failed rendering of glyphs is caused by missing fonts, or missing glyphs within a font. This is a separate issue and should not be confused with mojibake. Blocks with the code point displayed as hexadecimal, or using the generic substitute character are signs of failed rendering. These replacements are valid, and the result of the correct error handling by software.

Source: Wikipedia