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 ...

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 ...

HOLDING TOWNSHIP, Minn. — Ed Opatz spotted the agate first. Look for it, he encouraged. It's got purple bands. Red bands. A perfect example. Four of us stood in a tight circle, but only Opatz saw the ...

It takes a trained and disciplined eye to find some of nature's hidden treasures. After more than 50 years' experience, mine is pretty good at finding morel mushrooms, which have a knack for ...