If you've held onto old marbles from childhood or stumbled across a dusty jar in the attic, you might be wondering if they're ...

If you’ve held onto old marbles from childhood or stumbled across a dusty jar in the attic, you might be wondering if they’re worth anything. Not all old marbles have high value, but certain handmade, ...

Mineral deposits can create markings that look like forests or mountains, and experts say each stone is distinctive. By Jill Newman When Tarun Adlakha displays a dendritic agate, with its finely ...

MOOSE LAKE, Minn. — Fall is hunting season in Minnesota, but folks walking near the Moose Lake Airport aren't looking for pheasants or deer — they're hunting for a gemstone. "There's a pretty nice one ...

A German inventor created a device in 1846 that allowed for the mass production of colored glass marbles. American manufacturing of marbles boomed in the 1920s, with Ohio becoming a center for ...