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
The Qing Ding Pearl The Qing Ding Pearl The Qing Ding Pearl (《慶頂珠》, simplified 庆顶珠) is a Chinese play. It dates to the Song Dynasty and is still performed in adapted forms in the Beijing Opera. The play is known by other titles: Two sections (折 zhe) of the main play are sometimes performed separately as The Fisherman's Revenge《漁夫恨》 or A Fisherman Kills a Family (《打漁殺家》, simplified 打渔杀家 dayu sha jia) also Collecting the Fishing Tax (《討漁稅》 "taoyushui"). The play tells the story of Xiao En (whose real identity is Ruan Xiaoqi from "Water Margin"), a poor fisherman and his daughter who seeks bloody