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Why are so many beautiful stones quartz or chalcedony?
Discover why amethyst, agate and jasper are actually the same mineral in disguise.
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How do clear quartz (rock crystal) points form?
Discover why clear quartz always ends in that six-faced point.
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Why are there so many fossils in Morocco?
Extraordinary fossils reach us from Morocco all the time — why is that?
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Where do mineral names come from?
Amethyst, hematite, labradorite... every mineral name tells a story.
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Fluorite Colors: The Science Behind Them
Fluorite doesn't "have" a color: it becomes that color.
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Minerals in Ancient Egypt
Cleopatra's eye makeup, the mineral that mummified pharaohs, and the stone that traveled 4,000 km to reach Egypt. The real chemistry behind the myth.
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Uses of Minerals: Beyond Decoration and Jewelry
From jewelry to the operating room: discover what the minerals we love for their beauty are really used for.
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Why Lapis Lazuli Was More Expensive Than Gold in the Renaissance
In the Renaissance, this blue was worth more than gold: ultramarine, made from lapis lazuli found in only one place on Earth.
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Why are there such beautiful minerals in Brazil?
Brazil doesn't have one secret for beautiful gems. It has three. Billion-year-old rock, volcanoes that buried half the country in lava, and stones that transform from the inside without ever melting.
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