Everything to know about the traditional and modern birthstones for May.

AGATE comes from the quartz family and is found in countless shades and colors, from blue to black and from pink to bright firey red. The properties associated with agate can vary based on the color ...

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 ...

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 ...

The elusive Lake Superior agate. Rockhounds scour Lake Superior’s shoreline for these rare banded beauties—from the western reaches of the Keweenaw Peninsula to the U.P.’s easternmost Whitefish Point.

Known for their integrated colors and patterns, collectors are often amazed at agates that wind up on Upper Peninsula lakeshores. Known for its diversity and beauty, an agate stone is a form of quartz ...