Agates are formed from silica solutions filling gas bubbles in lava rocks, creating bands of color. The best time to find agates in Michigan is after a storm. Popular Michigan agate hunting locations ...

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 ...

Selling the red, orange and yellow chunks of banded rock known as Lake Superior agate requires more than just owning a collection of the beautiful semi-precious gemstones. You also need to figure out ...

Agate is a type of microcrystalline quartz that is characterised by its fine grain and vibrant colours. Agate is known for its banded appearance, with alternating layers of different colours and ...

The storm gives this video a good setup, but the agate reveal is what gives it real click power. After the fossil hunting gets cut short, they switch to cutting Florida stones and the first reveal ...

It’s the tomb that keeps on giving. More than two years since its discovery, a treasure-filled Greek tomb has offered up perhaps its most significant find to date: a Minoan stone carving so ...