Home > Term: sapphire crystal
sapphire crystal
Its hardness of 9 Mohs makes it extremely scratch-resistant and strong: it requires special diamond-tipped tools to prepare it for use.
- Part of Speech: noun
- Industry/Domain: Timepieces
- Category: Watches
- Company: TAG Heuer
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Creator
- Rolf Gleim
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(Bronze) 111 points - 100% positive feedback
