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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.
The name derives from the ancient belief that the object was found at a place where lightning had struck. [2] They were also called ceraunia (a Latin word, derived from the Greek word κεραυνος, both of which mean "thunderbolt"). [3]
Scapulimancy (also spelled scapulomancy and scapulamancy, also termed omoplatoscopy or speal bone reading) is the practice of divination by use of scapulae or speal bones (shoulder blades). It is most widely practiced in China and the Sinosphere as oracle bones , but has also been independently developed in other traditions including the West .
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 ...
“It looks like bone on bone where you get this smooth look that resembles ivory. In rheumatoid, you don’t get that whatsoever. The minute I recognized it, I noticed that the lesions didn’t ...
The offseason stockpile in Los Angeles has extended to the front office with news Monday that the Dodgers are bringing back former general manager Farhan Zaidi in a new role.
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Bone ash is a white material produced by the calcination of bones. Typical bone ash consists of about 55.82% calcium oxide , 42.39% phosphorus pentoxide , and 1.79% water . [ 1 ] The exact composition of these compounds varies depending upon the type of bones being used, but generally the formula for bone ash is Ca 5 (OH)(PO 4 ) 3 .