Large crystals found in geodes and other rocks are relatively rare. Pink ChalcedonyA pink chalcedony shows off its beauty. Chalcedonies include many types of cryptocrystalline quartz gems and ...

RENO, Nev. (KOLO) - The Reno-Sparks Convention Center (4590 S Virginia Street) is home this weekend to The Crystal Festival.

Ever wonder how Earth scientists examine rocks? We cut them up and throw them under a microscope ... and then everything ...

When linkurl:Johan Olsen;http://research.ku.dk/outreach/research_stories/rock/ walks through the Copenhagen University cafeteria, undergraduates' eyes light up in ...

Distinctive and rare rock crystals were moved over long distances by Early Neolithic Brits and were used to mark their burial sites, according to groundbreaking new archaeological research. Evidence ...

Silent auctions added an extra layer of excitement, as attendees placed their bids on rare and unique pieces, hoping to take ...

Wild Earth Rocks is where crystals sparkle, people find gifts and young geologists dream. 11-year-old Paul Stevens became intrigued by rocks when he was around 6, looking for them in his yard ...

Curiosity rover cracked open a Martian rock, revealing a sight never before seen on Mars - a dazzling display of yellow ...

A rock on Mars spilled a surprising yellow treasure after Curiosity accidentally cracked through its unremarkable exterior.