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As winds whip around the planet, carrying along the quartz nanoparticles, they form high-altitude hazes — essentially diffuse clouds of rock crystals — at the day–night termination zone.

She was buried with ivory tusks, ostrich eggshell, and a rock crystal dagger.

It held a rock crystal dagger, ivory tusks and other lavish items.

Among the finds have been a Swiss leather shoe over 3,500 years old and a 10,000-year-old Alpine glacier mine where hunters once extracted rock crystals to make arrowheads and other kinds of blades.

With gilded skin and rock crystal eyes it would have glinted and glowed with life in candlelight on a home altar.