Itá vs Pearl

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Battelle Hall (originally known as the Ohio Center) is a 6,864 seat multi-purpose exhibit hall located in Columbus, Ohio, part of the Greater Columbus Convention Center. It opened as the Ohio Center on September 10, 1980, and although sometimes considered a white elephant because of its small size and seating capacity (concert fans usually found themselves driving to Cincinnati Riverfront Coliseum, Indianapolis Market Square Arena, Detroit Joe Louis Arena, Cleveland Richfield Coliseum or Pittsburgh Mellon Arena), it has been used for a variety of events, including concerts (Conway Twitty, Devo, Elvis Costello & The Attractions, The Stray Cats, Rick Springfield, Kiss (2/19/84), Culture Club, Ratt, The Pointer Sisters, Cyndi Lauper, Billy Idol, Billy Ocean, Richard Marx, Queensrÿche), trade shows, and sporting events such as the 1993 and 1994 Mid-American Conference men's basketball tournaments.

The exhibit hall was also the home of professional wrestling cards from the early 1980s to mid-1990s with monthly visits from the WWE and the occasional WCW event. The hall totals 90,000 square feet (8,400 m2) of exhibit space - 65,000 on the main floor and 25,000 on the balcony, and can be divisible into two halls. The first entertainment event at the facility was comedian Rodney Dangerfield and special guest McGuffey Lane on September 20, 1980 attended by 6,677 persons. Battelle Hall was also home to the Columbus Quest from 1996-1998, where the team won both championships in the now-defunct American Basketball League. Former players include Katie Smith, Sonja Tate, Tonya Edwards, Andrea Lloyd, Valerie Still, Shannon Johnson, and Nikki McCray.

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