玻璃璧
玻璃璧-
结果表明：战国时期的玻璃璧和蜻蜓眼玻璃珠均属于PbO-BaO-SiO2玻璃，从成分和外型特征看，这些样品都为中国自制；
The results show that the glass Bi ( disc ) and the glass eye beads of the Warring States Period all belong to the PbO-BaO-SiO2 system . According to the composition and shape , we infer that these glass Bi and eye beads were made in China .