Sapphire opal is a rare and beautiful gemstone that combines the deep blue hues of sapphire with the iridescent play-of-color of opal. This unique gem is highly sought after by collectors and jewelry lovers. Its striking appearance makes it a perfect choice for rings, necklaces, earrings, and other fine jewelry pieces.
In this article, we will explore everything about sapphire opal, including its formation, colors, value factors, how to care for it, and its uses in jewelry.
What is Sapphire Opal?
Sapphire opal is not a single mineral but a combination of two gemstones: sapphire and opal.
Sapphire is a variety of corundum, known for its rich blue color, though it can come in other colors as well. Opal is a hydrated silica gemstone famous for its play-of-color, which is a shimmering rainbow effect caused by light diffraction.
When these two gemstones form together or are combined in jewelry, they create a stunning contrast between the deep blue of sapphire and the vibrant flashes of opal.
How is Sapphire Opal Formed?
Natural sapphire opal is extremely rare. It forms under specific geological conditions where both sapphire and opal are present.
Sapphires are formed in metamorphic or igneous rocks under high pressure and temperature. They get their blue color from trace elements like iron and titanium.
Opals form in sedimentary environments where silica-rich water seeps into cracks and cavities. Over time, the water evaporates, leaving behind silica deposits that harden into opal.
When these two processes occur near each other, a sapphire opal can form, either as natural composite stones where sapphire and opal grow together or as doublets or triplets, which are man-made combinations where layers of sapphire and opal are fused together.
Colors and Appearance of Sapphire Opal
Sapphire opal displays a mix of two stunning visual effects.
The sapphire part provides a rich, velvety blue background. Some sapphires may have slight color zoning, with lighter and darker areas.
The opal part shows flashes of rainbow colors, such as red, green, blue, and yellow. The intensity of these colors depends on the quality of the opal.
The contrast between the dark blue and the bright opal colors makes this gemstone truly eye-catching.
Types of Sapphire Opal
There are two main types of sapphire opal.
Natural sapphire opal is formed naturally when sapphire and opal grow together. It is extremely valuable due to its rarity.
Man-made sapphire opal is more common. Doublets are made by gluing or fusing a thin layer of opal onto a sapphire base. Triplets are made by sandwiching a thin opal slice between sapphire and a clear protective top, such as quartz or glass.
Man-made versions are more affordable and widely available in jewelry.
How to Identify Real Sapphire Opal
Since natural sapphire opal is rare, many sellers offer doublets or triplets. Here’s how to tell them apart.
Doublets and triplets have visible layers when viewed from the side, while natural sapphire opal has a seamless blend.
In doublets and triplets, the opal layer is very thin, so colors may appear flat. Natural sapphire opal has deeper, more dynamic color flashes.
A gemologist can use magnification and spectroscopy to confirm authenticity.
Factors That Affect Sapphire Opal’s Value
Several factors determine the price and quality of sapphire opal.
The color of the sapphire plays a big role. Deep, vivid blue sapphires are more valuable, while grayish or cloudy sapphire lowers the price.
The opal’s play-of-color also matters. Bright, multi-colored flashes, especially red and green, increase value, while dull or faint colors decrease value.
Clarity and transparency are important. Clear sapphire with minimal inclusions is best, and opal should not have cracks or cloudiness.
The cut and shape of the gem affect its brilliance. Well-cut gems maximize color and light reflection. Popular shapes include oval, round, cushion, and pear.
Natural sapphire opal is much more expensive than man-made versions. Doublets and triplets are more affordable but less durable.
Sapphire Opal in Jewelry
Sapphire opal is used in various jewelry designs due to its striking beauty.
Sapphire opal rings are often set in gold or platinum for a luxurious look. They are best for special occasions due to their delicate nature.
Sapphire opal necklaces and pendants make stunning centerpieces. The deep blue and rainbow effects stand out, especially when paired with diamonds for extra sparkle.
Sapphire opal earrings, whether studs or dangles, highlight the gem’s colors. Lightweight opal doublets are ideal for earrings.
Sapphire opal bracelets are often used as accent stones in bangles or charm bracelets. They require careful wear to avoid damage.
How to Care for Sapphire Opal Jewelry
Opal is softer and more fragile than sapphire, so proper care is essential.
For cleaning, use mild soapy water and a soft cloth. Avoid ultrasonic cleaners and harsh chemicals.
Store sapphire opal jewelry separately to prevent scratches. Keep it in a soft pouch or lined jewelry box.
When wearing, avoid exposure to extreme heat or sudden temperature changes. Remove the jewelry before swimming, showering, or doing heavy work.
Sapphire Opal vs. Other Blue Gemstones
How does sapphire opal compare to other blue gems?
Sapphire opal has a hardness of 7.5 to 8 on the Mohs scale due to the sapphire part. It features a blue base with rainbow flashes.
Blue sapphire is harder, with a rating of 9, and is known for its pure blue color and durability.
Blue topaz has a hardness of 8 and is lighter blue and more affordable.
Tanzanite is softer, with a hardness of 6.5 to 7, and has a violet-blue hue.
Aquamarine has a hardness of 7.5 to 8 and is known for its pale blue, transparent appearance.
Sapphire opal stands out because of its unique color play, but it is less durable than pure sapphire.
Where is Sapphire Opal Found?
Natural sapphire opal is extremely rare, but some sources include Australia, which is famous for opals and may have some forming near sapphire deposits.
Madagascar produces both sapphires and opals, making it another possible source.
Ethiopia is known for high-quality opals, which may occasionally combine with sapphire.
Most sapphire opal jewelry uses man-made doublets or triplets from these regions.
Sapphire Opal in Myths and Legends
Both sapphires and opals have rich histories.
Sapphire symbolizes wisdom, royalty, and divine favor.
Opal is believed to bring luck, creativity, and emotional healing.
Combined, sapphire opal is thought to enhance intuition and spiritual growth.
Conclusion
Sapphire opal is a breathtaking gemstone that blends the best of sapphire and opal. Its deep blue background with dazzling rainbow flashes makes it a favorite for unique jewelry. While natural sapphire opal is rare, man-made versions offer an affordable alternative.
If you love vibrant, one-of-a-kind gemstones, sapphire opal is an excellent choice. Just remember to handle it with care to preserve its beauty for years to come.
Related Topics:
- Can I Wear Opal and Blue Sapphire Together?
- Why Is Blue Sapphire So Expensive?
- What’s the CZ Sapphire Necklace?
