What's the Difference? Rocks, Minerals, Gemstones and Crystals

Ever wondered what the difference is between a rock, a mineral, a gemstone, and a crystal? You're not alone! These terms get tossed around a lot — sometimes interchangeably —...

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How Do Crystals Get Their Color?

Why is malachite always green while fluorite can be any color? Discover the science behind how crystals get their color — from chemistry to light tricks like iridescence. Whether you're...

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