See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. The geological history that led to the formation of giant crystals and ...

If there were an award for Most Instagram-Worthy Nail Art Trend, geode nails would definitely be in the running. Rock-like on the outside but colorful and sparkly when cracked open, geodes contain ...

Sparkling hollows filled with lustrous crystals, dubbed geodes, are often perceived as small objects that can fit comfortably on a bookshelf. But some are more like gigantic cathedrals filled with a ...