No one makes eye contact. They're too intent on the ground, searching for one of Central Minnesota's oldest buried treasures: Lake Superior agates. Butch Goldenstein figures he's found hundreds of ...

A Northern Michigan favorite, Petoskey stones can be found in virtually every souvenir shop this side of the Toledo Strip. It’s really nothing to buy a couple of polished stones and toss them in with ...

The result is disastrous. To make agate grinding and polishing safe, manufacturers need to use a combination of water and suction to knock down the deadly silica dust and prevent workers from ...

Ahmedabad, Feb 6 (PTI) The Gems and Jewellery Export Promotion Council (GJEPC) has decided to set up a common cutting and polishing facility to combat the deadly silicosis disease afflicting most of ...