非破坏性检测分析排湾族古玻璃珠

Non-Destructive Testing Analysis of Ancient Paiwan Glass Bead

  • 摘要: 玻璃为最早的人造宝石,取材于大自然的石英砂,是人类模仿天然玉石制作出来。在排湾族的社会生活中,玻璃珠曾经是相当珍贵而且广受喜爱的珠宝。由于玻璃珠的体积小容易携带,且光泽亮丽、圆润、色彩丰富,又可重新排列变化,因此在南岛民族社会中玻璃珠不但是装饰美化的基本素材,也是重要的交换媒介或价值力量展现的基础。很早以来,这些五颜六色的珠子就是排湾族喜爱的外来商品,它们在不同时代和来源经由不同途径跨海到台湾省。由于排湾族古玻璃珠具有珍贵性与稀有性,对古玻璃珠使用非破坏的检测方式变得越发重要,加上科学仪器在非破坏性的检测技术上有大幅的进步。本研究使用拉曼光谱仪、X射线荧光光谱仪对排湾族的古玻璃串珠样品进行测试分析,发现其化学成分与印度尼西亚出土的古玻璃类似。

     

    Abstract: The ancient glass beads, which made of quartz, is the oldest artificial jewelry in the world and used for imitate jade. The material features and symbolic value of glass beads have an important role in ancient Paiwan society. Since glass-making technology was not developed locally, most glass beads were traded to Paiwan from overseas and introduced into indigenous societies via various sources and paths during different periods. However, many indigenous people collected glass beads and stringed them together to make necklaces, headdresses, bracelets, anklets and earrings, or stitched them on clothes as decorations. Due to some special material features such as their ease of transportation, freedom for combination, shiny gloss, and richness of colors, glass beads are operated not only as ornaments, but also as media for exchange, or signs of value and power. In this research, micro-Raman spectroscopy and micro X-ray fluorescent spectrometer (EDXRF) were used in combination to examine ancient Paiwan glass beads and glass beads excavated from Indonesia. The results show chemical compositions of the ancient glass beads from Paiwan and Indonesia are the same.

     

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