e.avery
| Joined: | Tue Apr 4th, 2006 |
| Location: | Kentucky USA |
| Posts: | 2722 |
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Most watch jewels are made of man made stones most common is synthetic garnet. Ruby, sapphire, and diamond are also used to reduce to friction of metal to metal contact. In most modern watches hardened glass, also more commonly known as mineral glass is used. It is called mineral glass because it has a crystalline structure similar to that found in minerals. The term ruby jewels may be a bit over used in order to give the appearance of more intrinsic value to the movement then may actually be there. Just a thought.
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