This aligns with the emerald birthstone. However, when it comes to the modern or secondary birthstone of agate, there's some variation of color. According to the National Museum of Natural History ...

Popular Michigan agate hunting locations include Whitefish Point, Grand Marais Beach, and Agate Beach. Known for their integrated colors and patterns, collectors are often amazed at agates that wind ...

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 ...