Sunday, October 17, 2010

Phenomenal Star Sapphire

Star sapphire, also known as "star" in the trade. Cabochon-cut star sapphire gemstones characteristically shows a six-rayed star. Although stars can occur in a range of colors many stars are grayish or dark and the supply of fine stones is always limited. This natural star sapphire features strong asterism phenomena, when fibrous inclusions align on all of the crystal axes, the cat'seye effect can appear in two or three directions at once.