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https://ourpastimes.com/tell-something-made-out-ivory-8285279.html
Apr 12, 2017 · Determine the type of ivory by examining your piece under a 10x or higher magnifier. Ivory from elephant or mammoth tusks will have fine lines on the surface called "Schreger lines" that form a cross-hatch or diamond pattern. Measure the angles of the Schreger lines with a protractor.
https://www.realorrepro.com/article/Ivory-genuine-fake--confusing
The most common use of ivory nuts is for new netsuke. The definitive test is to apply a small drop of sulfuric acid. This will form a pink stain on ivory nuts in 10-12 minutes but will not stain genuine ivory. However, use this test as a last resort; the stain is permanent and not removable.
https://ourpastimes.com/identify-antique-ivory-12060014.html
Apr 12, 2017 · If you have a piece of ivory in your house -- such as a piece of jewelry or a statue -- you might want to identify its authenticity. This ensures that the piece is not made of ivory imitations such as plastic or bone. Look for discoloration. Antique ivory yellows or …
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.artifactcollectors.com/how-do-you-tell-if-something-is-real-ivory-515064.html
When you touch bone with a hot needle smell the area that you touched. It should have a very unique smell like burning hair. When you touch ivory with a hot needle you will smell something more like a burning teeth dentist office type smell. Passing this test is …
Many ivory carvings have this same "cut" look, but also show the grain patterns of ivory.
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