2000
Search results
Ivory is a hard, white material from the tusks (traditionally from elephants) and teeth of animals, that consists mainly of dentine, one of the physical structures of teeth and tusks. The chemical structure of the teeth and tusks of mammals is the same, regardless of the species of origin, but ivory contains structures of mineralised collagen. [1]
ivory, variety of dentin of which the tusk of the elephant is composed and which is prized for its beauty, durability, and suitability for carving. The tusk is the upper incisor and continues to grow throughout the lifetime of male and female African elephants and of the male Indian elephant; the female Indian elephant has no tusks or small ones.
Stories. What is ivory and why does it belong on elephants? © Will Burrard-Lucas / WWF-US. We’ve all seen photographs of majestic elephants sporting long, off-white tusks on either side of their trunks. This ivory is both beautiful on the animals and essential to the species’ survival. But what exactly is it?
Ivory is the hard, white material from the tusks and teeth of elephants, hippopotami, walruses, warthogs, sperm whales and narwhals, as well as now extinct mammoths and mastodons. This resource focuses specifically on elephant ivory, which is the most popular and highly valued of all ivories.
Q: What makes ivory so precious? —C.B. | Redwood City, California. It has no intrinsic value, but its cultural uses make ivory highly prized. In Africa, it has been a status symbol for...
Ivory carving, the carving or shaping of ivory into sculptures, ornaments, and decorative or utilitarian articles. Elephant tusks have been the main source of ivory used for such carvings, although the tusks of walrus and other ivory-bearing mammals have also been worked. From ancient times ivory.
Oct 19, 2023 · A worldwide ban on ivory sales in 1989 led to a rebound in the population, to about a million. But in 1999 and 2008, due to pressure from countries in Asia and southern Africa, the Convention on International Trade in Endangered Species (CITES) allowed two sanctioned sales of ivory. The video looks at attempts to stem the killing—attempts ...
