New type of mineral crystal?

Mike Stonner

NAWCC Member
Dec 2, 2018
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Hello everyone,

I have been collecting watches forever and no matter who made a mineral crystal it would crack, split, scratch etc within months. Recently from the Chinese and Russians and maybe some others they have mineral crystals but never get damaged no matter how loud the thwack was and sometimes it was LOUD. They also all feel the same or close. There is nothing on the internet and I don't want anyone looking it up. Does anyone know off hand if there is a new type of mineral crystal?
 

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