New archaeological research suggests that some Stone Age Europeans used vibrant blue pigments to decorate themselves or their possessions - and evidence from other sources raises the possibility that ...

Among the many treasures to be found on Michigan beaches, Leland Blue has quickly become one of the most beloved. The stone — which comes in brilliant shades of blue with a tumbled, pockmarked surface ...

In recent years, Leland Blue — the enchanting Michigan beach stone that actually is not a stone at all — has become one of the Great Lakes’ most sought-after rock-hunting riches. The byproduct of ...