The 18 Most Stunning Blue Rocks, Minerals, Gems, And Crystals We’ve Found (Plus Pictures)

deep blue oval cut sapphire

Sapphire provided by SapphireSource

Blue rocks, minerals, and gems have captivated people’s imaginations for generations, from precious stones like sapphires and blue topaz to more common blue minerals like azurite and sodalite. These minerals have been used in a variety of ways throughout history. For example, ancient azurite was used as a pigment in paint and dyes. Sapphire, meanwhile, … Read more

The 24 Best Spots For Gem Mining In Wisconsin In 2026

A beautiful agate found while gem mining in Wisconsin

Whether you’re a beginner or an experienced rockhound there are some great options for gem mining in Wisconsin. From the Baraboo Hills to the Kettle Moraine, these locations are filled with beautiful gems. Wisconsin is a great spot for finding gems, especially in the northwestern and southwestern regions. Stream beds, river gravels, quarries, glacial moraine … Read more