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
BlackBerry Pearl and in Canada through Rogers, Telus, and Bell Mobility. The phone has been known by many names, from the original codename BlackBerry "Kickstart" name to the current BlackBerry Pearl 8220 Smartphone name. A CDMA version is available for Verizon and Alltel known as the 8230. The Pearl Flip is very similar to the original Pearl and uses the same predictive text input that the Pearl uses. It has a 2.0-megapixel camera and video recording. It is the first BlackBerry to feature Wi-Fi and mobile calling in a new flip design. This 3G line came with 360 x 400, 2.25" TFT