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Tag Archives: crystals

Making rocks into magnets

By Sid Perkins / September 28, 2012

Lodestone is the most magnetic and common type of natural magnet.Credit: Wikimedia/Ryan Somma

Lab experiments show one way that certain types of stones can morph into magnets

Posted in Chemistry, Earth | Tagged Charles Aubourg, claystone, crystals, Douglas Elmore, electrons, geology, getinvolved, lava, lodestone, magnet, magnetic field, magnetism, magnetite, mineral, nucleus, sedimentary rocks, topstories, University of Oklahoma, University of Pau and the Adour Countries

These gems make their own way

By Roberta Kwok / May 25, 2010

Gemstones made in the lab could improve your cell phone or catch nasty bacteria in your water.

Posted in Chemistry | Tagged crystals, Gems, material science

Fakes in the museum

By Jennifer Cutraro / June 11, 2008

A close-up examination of crystal skulls reveals the true, recent origins of these “relics”

Posted in Ancient Times | Tagged crystals, material science, quartz