So far in this series, pretty much every material we’ve covered has had to undergo a significant industrial process to transform it from its natural state to a more useful product. Whether it’s the ...

Whether you know it or not, you encounter crystals in your everyday life quite regularly. Table salt, sugar and snowflakes are classified as types of crystals, as are many gemstones—including amethyst ...

Above: A hexagonal (six-sided) snow crystal, classified as a stellar dendrite. This crystal was photographed with an Olympus TG-6 camera after it landed on the sleeve of the authors fleece jacket.

When you buy through our links, Business Insider may earn an affiliate commission. Learn more Whether you believe in their healing properties or admire their natural beauty, there have never been more ...

When you buy through our links, Business Insider may earn an affiliate commission. Learn more Whether you believe in their healing properties or admire their natural beauty, there have never been more ...

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