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FAQ 7c describes the difference between various materials tiles are made of, including the oft-asked question "bone vs. ivory." First, read FAQ 7c - especially the sections on Bone, Ivory, and Celluloid.
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www.sloperama.com/mjfaq/ivory.html
www.sloperama.com/mjfaq/ivory.html
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HOW TO DISTINGUISH BETWEEN (1) BONE, (2) IVORY, AND (3) CELLULOID ("FRENCH IVORY," A PLASTIC) ... There are other factors too in the difference between old antiue scrimshawed ivory and the modern fakes: "Tusks used to make antique ivory chips were crosscut.
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www.antiquegamblingchips.com/distinguish_iv_bon_cel.htm
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There is a greater demand for ivory then camel bone - a sort of unstated hierarchy between mediums. People will select ivory pieces but the same work on camel bone doesn't have such a demand. People don't regard camel bone the same as ivory...
http://craftrevival.org/AHTML/AR-Mushtak.htm
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Re: What is the difference between fine ivory china and fine bone china?? ... So its better than the ivory??? ETS....Because these two settings are the EXACT SAME PATTERN AND PRICE I am sooo confused ... repost from BHB..what is the difference between IVORY AND BONE CHINA? beautyq115 3/20/05 4 For Newlyweds Only...
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www.liweddings.com/chat/topic-210708-1.html
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Natural ivory will fluoresce bright blue under UV light, and synthetics will fluoresce a dull blue. IS THERE A DIFFERENCE BETWEEN AFRICAN AND ASIAN IVORY?; There are subtle differences. African ivory is harder and has a translucent, yellow appearance.
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www.melfisher.org/aboutivory.htm
www.melfisher.org/aboutivory.htm
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Whale Ivory or Bone ... A test to determine the difference between elephant ivory and mammoth ivory, the Schreger lines, has been developed by the U.S. Fish and Wildlife Service in order to keep any elephant ivory from entering the country under the guise of mammoth ivory.
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www.marinearts.com/rwivory.htm
www.marinearts.com/rwivory.htm
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It is a little trickier to tell the difference between bone and ivory. In particular, pan bone, the flared spoon-like rear portion of the sperm whale jaw, was the second most popular scrimshaw material of the whalemen.
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www.westsea.com/tsg3/scrimlocker/Scrimchart02.htm
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Hippopotamus ivory - One source indicates the grain is closer and denser than elephant ivory and a a pure white with a texture that has been described as between elephant ivory and pearl shell. ... ANTIQUE IVORY SUBSTITUTES: Ivory and ivory substitutes were fashionable around 1850. Substitutes included bone, clay,
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www.sparklz.com/info/ivory.htm
www.sparklz.com/info/ivory.htm
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Unlike bone, ivory has no blood vessel system, and is therefore more dense. ... Unique to elephant ivory are the Lines of Retzius. These fine intersecting lines are visible in cross section, and give an engine-turned effect (intersecting lines with a diamond shape between them).
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www.uniclectica.com/conserva/ivory1.html
www.uniclectica.com/conserva/ivory1.html
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