Called icosahedrite, that quasicrystal had the 5-fold symmetry of a soccer ball, and it originated in an extraterrestrial body formed around 4.57 billion years ago.

Geologists are planning to crack open an 830-million-year-old rock salt crystal, which they believe contains ancient microorganisms that may still be alive. Researchers from the Geological Society ...

An 830-million-year-old rock salt crystal found by geologists may reveal life from other planets if cracked open. This Is An Undated Nasa Handout Showing Minuscule Pockets Of Water With Bubbles In ...

AN 830-MILLION-YEAR-OLD rock salt crystal is going to be cracked open by geologists, potentially uncovering ancient microorganisms that could still be alive.

The symmetry of a crystal is constrained by the requirement that the unit cells stack perfectly with no gaps. There are 219 possible crystal symmetries, called crystallographic space groups.