What Is the Gray Rock Method?

Take a moment to imagine a small gray rock sitting in the palm of your hand. It’s silent, smooth and otherwise unremarkable. Are you bored yet? If so, that’s kind of the point. Most people will eventually lose interest in a dull piece of granite. So there’s a theory percolating online that if you adopt…

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Rock Crystal Is Back in (Watch) Style

Decorative gems have adorned watches for centuries. But, beyond diamonds and the classic trinity of rubies, emeralds and sapphires, a colorless variety of quartz called rock crystal actually is the stone used most often in horology. Yet, “as a material, not a lot of people know about it,” said Tom Heap, deputy director and head…

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