Star Ruby
Star Ruby
Star Ruby is a rare and captivating variety of the corundum family. Their unique optical phenomenon, known as asterism, helps to distinguish these. This effect manifests as a star-shaped pattern that appears on the surface of the gemstone. The star is clearly visible when viewed under a direct light source. The needle-like inclusions of rutile within the ruby, which align in specific directions within the crystal structure, cause the star effect by the reflection of light.
Variety and Category
- Mineral Family: Corundum
- Chemical Formula: Al₂O₃ (aluminum oxide)
- Crystal System: Trigonal
- Mohs Hardness: 9
With a Mohs hardness of 9, Star Ruby is exceptionally durable. Like other sapphires, these are also suitable for a wide range of jewelry applications. Like other sapphires, its hardness is surpassed only by diamond, ensuring resistance to scratches and everyday wear.
Color and Value
The color of Star Ruby ranges from pinkish-red to deep purplish-red, with the most prized specimens exhibiting a vivid “pigeon’s blood” red hue. The presence of chromium imparts the red coloration, while iron content can influence the depth and tone of the color.
The value of Star Ruby is significantly influenced by the intensity and uniformity of its color, the sharpness and centering of the star effect, clarity, and carat weight. High-quality Star Rubies with a well-defined, centered star and rich color are exceptionally rare and command premium prices in the gemstone market.
Common Cuts and Applications of Star Ruby
To best display the star phenomenon, Star Rubies are typically cut en cabochon, featuring a smooth, domed surface that allows the star to be prominently visible. This cut enhances the asterism effect and is the preferred style for showcasing the unique optical properties of the gemstone.
Star Rubies are highly sought after for various types of jewelry, including rings, pendants, and brooches. Their distinctive appearance and durability make them suitable for both everyday wear and special occasions.
Sri Lankan Uniqueness
Sri Lanka, historically known as Ceylon, has been a renowned source of high-quality Star Rubies for centuries. The gem-rich regions of the country, particularly around Ratnapura, have yielded Star Rubies celebrated for their exceptional clarity, vibrant color, and well-defined star effects. Sri Lankan Star Rubies are esteemed in the global gemstone market for their superior quality and natural beauty.
At Luxiris Gems (PVT) Ltd., we take immense pride in offering authentic Sri Lankan Star Rubies, each meticulously selected for its exceptional beauty and quality. Our commitment to ethical sourcing and excellence ensures that our clients receive gemstones that are not only stunning but also steeped in the rich heritage of Sri Lanka’s gemological legacy. Looking for a gemstone? Contact Luxiris Gems now!
