Blue stones are naturally occurring minerals that exhibit a blue color, often due to the presence of specific elements like copper or iron. Common examples include lapis lazuli, sodalite, and blue topaz. These stones are valued for their beauty and are frequently used in jewelry, decorative items, and as gemstones in various applications. In addition to their aesthetic appeal, blue stones are sometimes associated with metaphysical properties. Many believe that they can promote calmness and clarity, making them popular in practices like crystal healing. Their unique hues and cultural significance have made them sought after throughout history.