Carat weight – 14.8ct

Measurements- 14.73 mm X 12.2 mm X 7.6 mm

Shape – Oval

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Black Star Sapphire

Black star sapphire is a fascinating gemstone renowned for its unique optical phenomenon called asterism. It belongs to the corundum family, which also includes rubies and sapphires. Black star sapphires are typically black or very dark blue in color and display a mesmerizing star-shaped pattern when viewed under a single light source.

The star effect, known as asterism, is caused by the presence of tiny needle-like inclusions of the mineral rutile within the sapphire. When light interacts with these needle-like inclusions, it creates a phenomenon known as “chatoyancy,” which forms a distinct star pattern with six rays. The star effect is best observed under a direct light source, such as a single point of light or a flashlight.

The intensity and visibility of the star can vary depending on the quality of the stone. The best black star sapphires exhibit a sharp and well-defined star that appears to float above the surface of the gem. The star may move or “float” across the stone as it is rotated, adding to its captivating allure.

Black star sapphires are often cut into cabochon shapes to enhance the star effect. The cabochon cut has a smooth, rounded surface with no facets, allowing the asterism to be prominently displayed.

In addition to their visual appeal, black star sapphires are associated with various metaphysical properties and beliefs. They are thought to possess protective energies and are considered symbols of good luck and fortune. Black star sapphires are also believed to promote intuition, spiritual growth, and inner strength.

When purchasing a black star sapphire, it’s important to consider factors such as the quality of the star, color saturation, and overall clarity. As with any gemstone, it is advisable to acquire black star sapphires from reputable sources to ensure their authenticity and value.