For over 300 million years, the ammonites ruled the prehistoric seas. Finding an ammonite fossil isn’t particularly rare ...

Nature has used 21 different ways over the last 4.5 billion years to create pyrite (aka Fool’s Gold) -- the mineral world’s champion of diverse origins. Pyrite forms at high temperature and low, with ...

Pyrite, or fool's gold, is a common mineral that reacts quickly with oxygen when exposed to water or air, such as during mining operations, and can lead to acid mine drainage. Little is known, however ...

Forbes contributors publish independent expert analyses and insights. David Bressan is a geologist who covers curiosities about Earth. Pyrite is an iron-sulfide mineral, but thanks to its glittering ...

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