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Bone, ivory, and antler are rarely attacked by insects, but horn is often seriously damaged by the larvae of carpet beetles and clothes moths. [7] Light, ultraviolet, and infrared. Ivory, bone, and antler should be kept away from bright light such as spotlights or direct sunlight. Bright light can increase the surface temperature of the object.
Bone is also made of both mineral and carbon-based materials; the mineral-based are calcium, phosphorus, and fluoride; the carbon-based is the protein ossein. Bone also includes the mineral hydroxyapatite, "A calcium phosphate mineral which forms a hard outer covering over the collagen and protein matrix," [1] or organic material.
The Anglo-Saxon Franks Casket is a whale bone casket imitating earlier ivory ones. [4] Medieval bone caskets were made by the Embriachi workshop of north Italy (c. 1375 –1425) and others, mostly using rows of thin plaques carved in relief. [5] A face carved on a piece of curved bone. The face is framed by hair and part of a winged head-dress ...
Scrimshaw is scrollwork, engravings, and carvings done in bone or ivory. Typically it refers to the artwork created by whalers , engraved on the byproducts of whales, such as bones or cartilage. It is most commonly made out of the bones and teeth of sperm whales , the baleen of other whales , and the tusks of walruses .
This category is for pieces of bone that are sculpted or engraved, including horn and antlers, from any animal species. See also Category:Ivory works of art made from the tusks and teeth of animals of any species.
Both ivory and bone were carved in relief panels, often with two or three strips forming a single inlay. Only ivory was used for openwork. [7] After carving the surfaces were smoothed and lightly polished. Traces of colour survive, showing the use of alternating red and blue pigments, and the highlighting of plain backgrounds with red or black.
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Indirect carving is a way of carving by using an accurate clay, wax or plaster model, which is then copied with the use of a compass or proportional dividers [1] or a pointing machine. The direct carving method is a way of carving in a more intuitive way, without first making an elaborate model. Sometimes a sketch on paper or a rough clay draft ...