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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.
Museum collections, especially those of natural history, may contain human osteological specimens such as individual bones, bone fragments, entire skeletons, and teeth from both ancient and contemporary sources. Reconstruction of bone fragments should be conducted with great care and consideration.
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 awls tend to be classified according to the characteristics of the bone used to make the awl. Many bone awls retain an epiphysis, or rounded end of a bone. Although authors have differing theories as to the uses of bone awls, the two main uses agreed upon are as manipulators in the making of basketry and as perforators in the working of ...
Estimated to be around 13,900 years old, the carved bone tip would’ve been fixed to the end of a spear or similar weapon wielded by one of the continent’s first human inhabitants — even ...
Stone tools and cut marks on bone Controversial [19] Bokol Dora 1 [20] (BD 1) 2.6 Ledi-Geraru, Ethiopia East Africa Stone tools Gona [21] 2.6 Ethiopia East Africa Stone tools and cut marks on bone Perdikkas [22] [23] 3.0–2.5 Perdikkas, Greece Eastern Europe ”Butchered” mammoth bones, stone tools Controversial Bouri Hatayae layer [24] 2.5 ...
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 .
Chondrodysplasia [a genetic disorder that causes abnormal bone and cartilage development] is also found in the Alaskan Malamute population and this causes dwarfism in some puppies.”