Many minerals form beautiful crystals, but the most prized of all are gemstones. Uncut gems often look fairly ordinary–like rocks. It's only when they are cut and polished that they obtain the ...

Researchers at Heidelberg University are studying the formation of this characteristically blue-colored crystal in volcanic melts Sapphires are among the most precious gems, yet they consist ...

More: The loaded baked potatoes we all needed: Mr. Potato brings custom spuds to Waite Park mall Barrett, who is also the tour director for the nonprofit Minnesota Mineral Club, said he hopes the ...

Rocks, gems and minerals will be on display as part of the ... For more information, visit www.phillipsmill.org. Blue Monday by Jennifer Gershon of New Hope is one of a trio of works that won ...

If you want to see a museum with an impressive mineral collection, you could travel to the Smithsonian Museum of Natural ...

Admission costs $5 for adults and is free for kids ages 13 and under. The Hellgate Mineral Society is a group that aims to educate and connect those interested in rocks, gems, minerals and fossils.