波罗的海琥珀分类方法.ppt

Natural Baltic amber (inite) – gemstone which has undergone mechanical treat
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ment only (for instance: grinding, cutting, turning or polishing) without any ch
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ange to its natural properties 1)天然琥珀-经历了机械处理(例如:研磨,切割,车削或抛光),没有改变其任何自然属性。(最贵)
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Modified Baltic amber(inite) – gemstone subjected only tothermal or high-pre
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ssure treatment, which changed its physical properties, including the degree of
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transparency and colour, or shapedunder similar conditions out of one nugget, pr
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eviously cut to the required size. 2)改性琥珀-仅受热力或高压处理,改变其物理性质,化学性质,包括透明度,色度,形状和大
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小。(其次)Reconstructed (pressed) Baltic amber (inite) – gemstone made of Balti
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c amber pieces pressed in high temperature and under high pressure without addit
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)压制琥珀–几块琥珀在高温和高压下无需额外的元件按压制成。(第三)Bonded Baltic amber(ini
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