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  1. Copilot 答案
    History

    The red variety of chalcedony has been known to be used as beads since the Early Neolithic in Bulgaria. The f… 展开

    Etymology

    Although now the more common term, "carnelian" is a 16th-century corruption of the 14th-century word "cornelian" (and its associated orthographies corneline and cornalyn). Cornelian, cognate with similar words in several … 展开

    类别玉髓的变种
    化学式二氧化硅 (SiO₂)
    分子量60 g/mol
    颜色棕红色
    Distinction between carnelian and sard

    The names carnelian and sard are often used interchangeably, but they can also be used to describe distinct subvarieties. The general differences are as follows:
    All of these properties vary across a continuum, so th… 展开

    Further reading

    Allchin, B. 1979. "The agate and carnelian industry of Western India and Pakistan". – In: South Asian Archaeology 1975. E. J. Brill, Leiden, 91–105.
    • Beck, H. C. 1933. "Etched carnelian beads". – The Antiquaries Jour… 展开

    External links

    Media related to Carnelian at Wikimedia Commons 展开

  1. 包含 Carnelian Stone 的结果。
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  3. 包含 Carnelian Stone 的结果。
    是否只需要 Carmeilion Stone 的结果?