[DOC] [TLE] ivory | Britannica.com [PAR] Variety of dentin of which the tusk of the elephant is composed and which is ... 
The teeth of the hippopotamus, walrus, narwhal, sperm whale, and some ... Hard 
ivory generally comes from elephants in the western half of Africa, soft ... Ivory is a 
white, smooth, solid substance that comes mainly from the tusks of elephants. [DOC] [TLE] Ivory - Wikipedia [PAR] Ivory is a hard, white material from the tusks (traditionally elephant's) and teeth of 
animals, that ... Elk also have two ivory teeth, which are believed to be the 
remnants of tusks from their ancestors. ... endangered were also preyed upon, for 
example, hippos, which have very hard white ivory prized for making artificial 
teeth. [DOC] [TLE] What precious substance comes from the tusks and also the horns ... [PAR] Ivory is a hard, white, opaque substance that is the bulk of the teeth and tusks of 
animals such as the elephant, hippopotamus, walrus, mammoth, narwhal, etc. [DOC] [TLE] What Is It About an Elephant's Tusks That Make Them So Valuable ... [PAR] Sep 6, 2012 ... What in the world could fuel such demand for animal teeth? ... like ivory, are a 
natural substance with little inherent value but prized social significance. .... to 
drink anymore and come to court; is that right? ... togetherness suggests not just 
that contemporary coupledom can work, but also that a chaotic world... [DOC] [TLE] Identifying Different Types of Ivory [PAR] How to distinguish between elephant, hippo, walrus, hornbill and sperm ... "True" 
ivory comes from elephants and mammoth; however, the term is ... They are oval 
in cross section, and are made up of a hard, dense tissue ... Unlike human teeth, 
elephant tusks do not have an enamel coating. ... Casein has also been used. [DOC] [TLE] Ivory - Tusks, Tusk, Pulp, Elephant, Dentine, and Teeth - Library Index [PAR] IVORY is essentially equivalent to dentine, that hard substance, not wholly unlike 
... the tusks of the elephant, the hippopotamus, the walrus, tire narwhal, and the ... 
ivory owes its fineness of grain, and probably also its almost perfect elasticity .... 
so that the bullet comes to be imbedded in ivory, which fits closely up against it,... [DOC] [TLE] Elephant Science & Nature - I V O R Y - HIMANDUS.Net Portal Site [PAR] 1 a: the hard creamy-white modified dentine that composes the tusks of a tusked 
mammal (as an elephant, walrus, or narwhal) b: a tusk that ... 3slang : tooth 4: 
something (as a piano key) made of ivory or of a similar substance ... Walrus 
teeth are also commercially carved and traded. .... The hippopotamus is one 
example. [DOC] [TLE] Are elk teeth made of ivory? | Reference.com [PAR] The narwhal and sperm whale also produce ivory. ... A: Elephant tusks are used 
for obtaining ivory, a hard, white substance that can be found only in the tusks... [DOC] [TLE] A BACKGROUND TO IVORIES, Ivory comes from the teeth or tusks ... [PAR] Dec 1, 2006 ... Tusks are also teeth, but they are larger and protrude from the mouth. ... The most 
famous ivory comes from the tusks of elephants, both Asian and ... The dentine is 
covered in enamel which is very hard, and is often worn away by ... Those from 
the male narwhal (a small, arctic whale which usually carries a... [DOC] [TLE] Ivory artwork - Spirit Wrestler Gallery [PAR] The chemical structure of the teeth and tusks of mammals is the same regardless 
of the species of ... Ivory is a hard, white, opaque substance that is the bulk of the 
teeth and tusks of animals such as the elephant, hippopotamus, walrus, 
mammoth, narwhal, etc. ... Walrus tusk ivory comes from two modified upper 
canines. [DOC] [TLE] Ivory : Genuine, Fake, and Confusing - Real Or Repro [PAR] Ivory comes from teeth as well as tusks of a number of mammals. ... 2) walrus; 3) 
whales--

Question: This hard substance also comes from the tusks of the narwhal & the teeth of the hippo
Answer: ivory