Earth's D'' layer is essentially an undercurrent of rocks that particularly aligns the crystals of post-perovskite.

He sees the entire process in action − from a hole in the ground to the store shelf. "There's a lot of mystery and lore around the rock and crystal world," said Porada. "But get on a plane to ...

In this video, we uncover the story behind this massive pit and how it resulted in the discovery of giant, naturally formed crystals. We walk through how the hole was found, what makes the ...

To our surprise, the crisp faces of the quartz crystals are riddled with hollow "reentrants" — small cavities that resemble worm holes in an ... some of which attached themselves to quartz ...

In a new study, a team of researchers used research on fossilizing techniques to create a new method for sealing cracks and fractures in rocks ... crystals in cracks and holes, reproducing the ...

For centuries, these enigmatic rocks have captivated artists, writers, healers and religious leaders, many of whom believed the crystals contained a certain concentration of the earth’s energy.

NASA announced this week that rocks made of pure sulfur have been discovered on the Red Planet. The yellow sulfur crystals in a pure form have never been seen before on Mars. Earlier findings have ...

Not all rocks are created equal. It’s a mundane but inescapable fact that turns out to be particularly problematic if you’re designing a drill for a robot that will be poking holes in Mars.