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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 ...
According to some news sources, a young person called Ruben from Venezuela created a Nintendo console out of cardboard and did make a video about it in 2018. There’s no evidence for the Nintendo ...
Chalk carving is the practice and shaping of chalk via carving. This article covers some methods, types of chalk, tools used and the benefits (and ramifications) of this material. The benefits of this material are also its drawbacks. Its main benefit, its softness, makes it very easy to manipulate.
Polishing is the process of creating a smooth and shiny surface by rubbing it or by applying a chemical treatment, leaving a clean surface with a significant specular reflection (still limited by the index of refraction of the material according to the Fresnel equations). [1]
Carved Bone and Antler; Most frequently used in the carving of spear-throwers, carved bone and antler pieces are significant because of the great amount of time, effort, and painstaking detail with which they were carved. As a result, a common belief among archaeologists is that such works were crafted in the hopes of bringing good luck on a hunt.
Burnishing is a form of pottery treatment in which the surface of the pot is polished, using a hard smooth surface such as a wooden or bone spatula, smooth stones, plastic, or even glass bulbs, while it still is in a leathery 'green' state, i.e., before firing.