Test your rock & mineral smarts—are you a Rock Star? Think you know rocks and minerals? Take the Science Trek quiz! Test your smarts on gold, salt, Earth’s oldest rocks, gemstones on Mars, and the ...

A little knowledge of rocks and minerals will help you identify everything from jewelry to fossils. While reading this article may not turn you into a geologist, it should give you the basic ...

Geologists discovered ancient rocks in Greenland that preserve the oldest known traces of Earth’s early magnetic field.

One day in October 1820 two young men, Elijah Hamlin and Ezekiel Holmes, were hiking on a hill in Maine called Mount Mica when they spotted a glowing, green stone on the ground. They picked it up and ...

Dazzling gems and minerals alongside rare stones and rocks will all be on display at the 47th Annual Gem and Mineral Show. Rock collectors and enthusiasts can browse through them all this weekend!

So how many minerals do you think exist in our world, or better yet, in our earth’s crust? All rocks are made up of one or more minerals, and minerals occur within veins cutting through rocks. They ...

The Yakima Rock and Mineral club will hold its annual show Friday through SundayApril 22-24, 2022, in the Modern Living Building at State Fair Park. This year’s event is the 59th Parade of Gems and ...

A guide to the rare resources behind EVs, chips and defense tech — and the startups reshaping how they’re sourced.

A.K. Miles of Salem spent summers as a little girl traveling the Pacific Northwest with her grandparents, collecting rocks and helping her great-grandfather cut and polish them in his lapidary shop.