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

Wild Earth Rocks is where crystals sparkle, people find gifts and young geologists dream.

Minerals are typically formed when molten rock, or magma, cools, or by separating out of mineral-rich water, such as that in underground caverns. In general, mineral particles are small ...

What facts about rocks do you know? Even though rocks and minerals are abundantly available, many people do not take an interest in them, yet there is a lot to learn about them. Moreover ...

Igneous rocks contain randomly arranged interlocking crystals. The size of the crystals depends on how quickly the molten magma solidifies and can form extrusive igneous rocks or intrusive igneous ...

About 400 kilometres northwest of Sydney, just south of Dubbo, lies a large and interesting body of rock formed around 215 ...

Opinions expressed by Forbes Contributors are their own. David Bressan is a geologist who covers curiosities about Earth. “We were thrilled!” said Dr. David Grant, a researcher at the ...

A close-up photo taken by the Curiosity rover shows pure yellow sulfur crystals within a rock. NASA’s Curiosity rover ran over a rock on Mars in late May. That’s par for the course on the red ...