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https://www.ehow.com/how_2278411_tell-ivory-from-bone.html
How to Tell Ivory From Bone Step 1. Hold the suspected item under a magnifying glass in a brightly lit area. Sunlight is the best light for viewing. Step 2. If an item is made of ivory, you will be able to see lines, or a grain. These lines are sometimes known as... Step 3. If the item does not ...
https://www.antiquegamblingchips.com/distinguish_iv_bon_cel.htm
The best spot to find the grain is to look at the rim/end area of the chips. Ivory is usually polished. It is heavier and stronger than bone. Most ivory chips are about as thick as a poker chip -- about two quarters thickness. Ivory chips are almost always scrimshawed (engraved) with a design.
https://www.artifactcollectors.com/how-to-tell-if-ivory-is-real-or-fake-507.html
Here are some tips on how to detect genuine ivory: Check the weight. Real ivory weighs more than most bones and plastic fakes. Feel the texture. Ivory is very smooth. Use magnifying glass and study the object carefully. Is the surface porous? If yes, it is probably not ivory. Are there cylindrical ...
https://ourpastimes.com/tell-something-made-out-ivory-8285279.html
Apr 12, 2017 · Minuscule circular or oval pits instead of lines indicate your piece is probably bone. Conduct a "pin test." Heat the end of a pin over a candle or lighter until it is red-hot. Select an inconspicuous spot and press the pin against the surface of the piece.
https://www.realorrepro.com/article/Ivory-genuine-fake--confusing
In their book Identification Guide for Ivory and Ivory Substitutes, the National Fish & Wildlife Forensics Laboratory recommends a three step approach to the identification of ivory and ivory imitations. 1) examination with long wave black light; 2) examination of physical features/shapes; 3) look for Schreger angles (crosshatch grain characteristic of elephant ivory).
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