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http://www.midcenturyjewelry.com/how-to-identify-celluloid-jewelry/
Jan 20, 2009 · Smell test: Hold your celluloid jewelry under hot water for 30 seconds. Now, put it up to your nose and smell it. You should smell a camphor or vinegar-like scent. Weight: Celluloid feels very lightweight in the hand. Needle Test: There is a test where you can apply a hot needle to celluloid to bring the camphor-vinegar smell out. Celluloid is FLAMMABLE so I would NEVER recommend this test! …
https://www.citrusavenue.net/jewelry-articles-information/how-to-identify-vintage-celluloid-bangle-bracelets
Look closely at a celluloid bangle: You’ll probably find it has a repeating pattern or an obvious seam, or both. And that’s goo d. Evidence of a seam can be one characteristic of a celluloid bangle. The seam is simply where the strip of celluloid was joined together to form the bracelet’s shape.
https://www.worthpoint.com/dictionary/p/jewelry/material/celluloid-jewelry
Celluloid Jewelry - Identification & Value. Although some celluloid pieces are marked French Ivory or Ivory Pyralin (which are fancy names referring to this type of plastic and have nothing to do with genuine ivory), most antique and vintage celluloid jewelry is not marked in any way.
https://www.mafca.com/downloads/Fashions/Articles/Celluloid-or-Bakelite-2017-11.pdf
To identify an item as Celluloid, run hot water over it for several seconds. Most Celluloid pieces will have a vinegar or old camphor odor. Caution is suggested when a piece has rhinestones, as water may damage the silver film on the underside of the stone further degrading the item.
https://www.marketsquarejewelers.com/blogs/msj-handbook/history-identification-bakelite-vintage-plastic-jewelry
Aug 07, 2020 · The Basics: Celluloid vs Bakelite Jewelry. All plastics can be differentiated by how they respond to heat. Celluloid and other natural plastics can be heated and softened over and over again to return them to a moldable state. This category is called thermoplastic. Bakelite, once hardened, can never return to a moldable state.Estimated Reading Time: 5 mins
http://www.collectics.com/education_plastic.html
Jewelry made of celluloid dates to about 1900 and was quite popular during the Art Deco period. Celluloid has characteristics which are different from other plastics. Celluloid items tend to be thinner and lighter than Bakelite, and it is definitely more brittle and can crack when heated to …
https://www.youtube.com/watch?v=3NKG95kyTNg
Aug 07, 2017 · How to you test if something is bakelite jewelry or buttons? I show the hot water method & simichrome method. I also share how amber and tortoiseshell test ...Author: Texas Gal Treasures
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