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    Human uses

    In the past, cuttlebones were ground up to make polishing powder, which was used by goldsmiths. The powder was also … See more

    Cuttlebone - Wikipedia

    • Cuttlebone, also known as cuttlefish bone, is a hard, brittle internal structure (an internal shell) found in all members of the family Sepiidae, commonly known as cuttlefish, within the cephalopods. In other cephalopod families it is called a gladius. Cuttlebone is composed primarily of aragonite. It is a chambered structure that the animal can fill with gas or liqui… See more

    Internal structure

    The microstructure of the cuttlebone consists of two components, horizontal septa and vertical pillars. Both components are composed predominantly of aragonite. The horizontal septa divide the cuttlebone into separate c… See more

    Mechanical properties

    The cuttlebone has been studied extensively due to its ability to be simultaneously lightweight, stiff, and tolerant to damage. This combination of mechanical properties has led to research into cuttlebone … See more

    See also
    Explanatory footnotes

    1. ^ Jewelers prepare cuttlebone for use as a mold by cutting it in half and rubbing the two sides together until they fit flush against one another. Then the casting can be done by carving a design into the cuttlebone, adding the … See more

    External links

    • Media related to Cuttlebone at Wikimedia Commons See more

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