Black Star Sapphire, The Sparkling Birthstone for June 19th
Birthstone for June 19th: Black Star Sapphire Description of Black Star Sapphire The Black Star Sapphire is a gemstone that exudes mystery and power, captivating all who encounter it. This striking variety of sapphire is most famous for its unique optical phenomenon—asterism—where a star-like figure appears on the surface of the stone when it is cut in a cabochon shape. This star is formed by needle-like inclusions of rutile (a titanium mineral) within the sapphire, creating a beautiful, sharp, and highly reflective star pattern, often with a four- or twelve-point star design....