Pearl with a mother of pearl bead center. In the cultured pearl industry, the resources used to create a mistaken all nacre baroque pearl is a drain on the production of round cultured pearls. Therefore, they are trying to improve culturing technique so that keshi pearls do not occur. All nacre pearls may one day be limited to natural found pearls. Today many "keshi" pearls are actually intentional, with post-harvest shells returned to the water to regenerate a pearl in the existing pearl sac. Tahitian pearls, frequently referred to as black pearls, are highly valued because of their rarity; the culturing
Pearl Harbor and the Explosions Pearl Harbor and the Explosions Pearl Harbor and the Explosions was a musical act from San Francisco, California. Forming in 1978, the new wave band had limited success in the late 1970s and early 1980s, with their debut single, "Drivin'", reaching the lower end of the American top 40 charts in 1980. That same year, they released a self-titled LP which included the song "Shut Up and Dance", which received considerable airplay, particularly in the Bay Area. The vocalist, Pearl E. Gates (also known as "Pearl Harbor", and later "Pearl Harbour" (British and Canadian spelling), would eventually marry Clash bassist