The fun of geode cutting is never knowing which rock will actually pay off, and this one delivers the biggest surprise of the ...
Scary Mysteries on MSN
They cut open a 500,000-year-old rock - and found what looked like a spark plug inside
Three rock hunters thought they had found an ordinary geode in California’s Coso Mountains. But when they cut it open, they ...
Live Science on MSN
Homo erectus' tools include geodes and fossils, possibly as a way to connect with the cosmos
Homo erectus may have deliberately selected rocks embedded with fossils and crystals to craft their hand axes.
Some results have been hidden because they may be inaccessible to you
Show inaccessible results