Look deep into nature, and then you will understand everything better. ~Albert Einstein

Ancient Romans carved intaglio seals with it. The Chinese used it for making snuff boxes and an early form of sunglasses. The Swiss, Germans, and Austrians used crucifixes made from it to protect against bad luck and evil.

What is “it”?

Smoky Quartz.

Photo courtesy of Mid-Georgia Gem and Mineral Society

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