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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.
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.
Whale bone was ideally suited for the task, as it is easy to work and was plentiful. The widespread carving of scrimshaw was enabled when the 1815 publication of the journal of U.S. Navy Captain David Porter disclosed both the market and the source of the whale teeth, causing a surplus of whale teeth that greatly diminished their value and made ...
Easy Halloween pumpkin carving ideas can look impressive. Get out your carving tools and use our stencils and tutorials to make cool, creative jack-o'-lanterns. ... To recreate, clean out the ...
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 ...
Classic Two-Piece Carving Set. Wüsthof is known for making high-quality and reliable knives, and this carving set does not disappoint. The 8-inch carving knife is light and well-suited for small ...
The supply of African ivory contracted greatly in the later 14th century; one result was a rise in bone carving for "marriage caskets", mirror, and religious pieces. The north Italian Embriachi workshop led this trend, supplying bone carvings even to princes and the extremely wealthy; when they used ivory it was usually hippopotamus teeth. [10]
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