Collector Zhang Wenli (3rd, L) and geological specialist Chen Qiming (1st, R) consult each other's connoisseurship to appraise a super-sized valuable gem of turquoise, which measures some 100 cm in length, 60 cm in height, and 210 kg in weight, in Xiangfan City, central China's Hubei Province, March 10, 2009.[Xinhua] |