Opal Historical Overview, Significance and types

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True Gem
16 min readNov 15, 2023
Art and Sculpture Jewelry Products by True Gem
Opal Ring by thejewelleryeditor

Welcome to a dazzling journey through the world of birthstones! In this edition, we’ll be exploring the mesmerizing gem that represents the month of October: opal. With its play of colors and iridescent beauty, opal has captured the imaginations of cultures throughout history. Join us as we delve into the characteristics, lore, symbolism, and enchanting qualities that make opal a cherished and mystical gemstone.

What is Opal?

Opal is a stunning and captivating gemstone known for its unique play of colors and iridescent beauty. It’s one of the most mesmerizing gemstones in the world, often compared to a kaleidoscope or a shifting spectrum of colors. Opal’s allure lies in its ability to display a vibrant range of hues that seem to dance and change as the stone is viewed from different angles.

Understanding Opal’s Composition: Opal is a hydrated amorphous form of silica, meaning it doesn’t have a crystalline structure like most gemstones. Its internal structure consists of tiny silica spheres arranged in a three-dimensional grid. The arrangement of these spheres is responsible for opal’s captivating play of colors, known as “opalescence.”

The Phenomenon of Opalescence: Opalescence is the optical effect that occurs when light interacts with the silica spheres in opal. As light enters the gemstone, it diffracts and reflects off the spheres, creating a stunning display of colors that shift and shimmer. This play of colors can include hues such as blue, green, pink, purple, and orange, and it varies depending on the size and arrangement of the silica spheres.

Varieties of Opal: Opals come in several different varieties, each with its own distinct characteristics:

Precious Opal:

This is the most well-known and valuable type of opal due to its captivating play of colors. Precious opal can display a wide range of hues and patterns, making each stone truly unique.
Fire Opal:

Fire opal is known for its vibrant orange to red color and transparency. While it may not display the same play of colors as precious opal, its fiery hue is highly sought after.
Common Opal:

Also known as “potch,” common opal lacks the play of colors seen in precious opal. Instead, it comes in various colors and often serves as a background or matrix for precious opal.
Boulder Opal:

Boulder opal forms within ironstone boulders and often has a thin layer of precious opal on top. The contrast between the ironstone and opal creates a unique and captivating appearance.
Crystal Opal:

Crystal opal is transparent to semi-transparent and displays a vivid play of colors. Its clarity allows for light to pass through the gemstone, enhancing its brilliance.
Black Opal:

Black opal is prized for its dark body tone, which enhances the brilliance of its play of colors. It is often considered the most valuable type of precious opal.

Opal’s enchanting beauty, combined with its wide range of colors and varieties, makes it a gemstone that has captured the hearts of collectors, jewelry enthusiasts, and artists alike. Its play of colors has been likened to a glimpse of the universe within a gemstone, making opal a true wonder of nature.

Historical Significance: Opal Through Time

Opal Jewellery By The London Jewellery David Morris

Opal, with its captivating play of colors and mystical charm, has been revered and admired by cultures across the globe for centuries. Throughout history, opal has held a special place in folklore, mythology, and art, captivating the imagination of people from ancient civilizations to the modern day.

Opal in Ancient Cultures and Mythology:

The Opal Jewels of the Prince of Siam Sotheby’s Fine

Ancient civilizations held opal in high regard, often attributing it with supernatural powers and beliefs. The ancient Romans associated opal with hope and purity. The Greeks believed that opal embodied the powers of both gemstones and precious metals, incorporating the colors of various gems into its play of colors.

The Renaissance’s Fascination with Opal: During the Renaissance, opal’s popularity reached new heights. European monarchs and nobles adorned themselves with opal jewelry, believing that the gem brought protection and bestowed its wearer with good fortune. Opal’s iridescent play of colors was often associated with the changing hues of the cosmos.

Opal’s Symbolism in Different Eras: Throughout history, opal’s symbolism has evolved alongside cultural beliefs. In the Middle Ages, opal was believed to bring luck and preserve the color and fidelity of blonde hair. However, by the 19th century, opal’s reputation was tarnished by a novel that portrayed it as bringing misfortune. This led to a decline in its popularity, but its allure endured, and opal regained its prestige in the 20th century.

Opal as a Symbol of Emotional Expression: Opal’s play of colors has been likened to a visual representation of human emotion. Its ever-changing hues are said to reflect the wearer’s feelings, making opal a gemstone associated with emotional expression and creativity. Some cultures believe that opal amplifies emotions and brings about deep insights.

Opal as a Stone of Protection: Opal has often been associated with protection and was believed to ward off evil spirits and negative energies. In some cultures, opal was worn as an amulet to safeguard against harm and promote a sense of security.

Opal in Modern Times: Today, opal remains a gemstone of fascination and allure. It’s embraced by designers and artisans for its unique beauty and versatility. Opal jewelry is cherished for its ability to reflect individual personalities and styles, making it a popular choice for those seeking a distinctive and captivating gemstone.

Opal’s Spiritual and Healing Properties

Opal Jewelry by thejewelleryeditor

Beyond its exquisite appearance and play of colors, opal has been recognized for its spiritual and healing properties for centuries. This gemstone is believed to possess energy that resonates with the emotional, spiritual, and physical aspects of our being. Let’s explore the spiritual and healing qualities attributed to opal:

Emotional Healing: Opal is often associated with emotional healing and balance. It is believed to enhance one’s emotional intelligence and help individuals navigate their feelings with greater clarity. Opal’s play of colors is thought to reflect the full spectrum of human emotions, making it a powerful ally for emotional expression and self-awareness.

Stimulating Creativity: Opal is believed to stimulate creativity and encourage originality. Its shifting colors and iridescence have the power to spark inspiration and open the mind to new ideas. Many artists and writers turn to opal as a source of creative energy and a way to break through creative blocks.

Spiritual Awakening: Opal is considered a stone of spiritual awakening and transformation. Its ever-changing play of colors is often seen as a representation of spiritual growth and the different stages of enlightenment. Opal is believed to aid individuals in their journey towards higher consciousness and self-discovery.

Enhancing Intuition: Opal is thought to enhance intuition and psychic abilities. It is believed that wearing or meditating with opal can help individuals tap into their inner wisdom and receive insights from higher realms. Opal’s connection to the third eye and crown chakras is said to facilitate this heightened awareness.

Embracing Change: Opal is often associated with adaptability and embracing change. Its play of colors reflects the transformative nature of life and encourages individuals to go with the flow rather than resisting change. Opal’s energy is believed to help individuals navigate transitions with grace and openness.

Balancing Energies: Opal is believed to balance the energies within the body, promoting harmony and overall well-being. It is thought to align the chakras and restore the body’s natural energy flow. Opal’s energy is said to be both calming and energizing, making it a versatile stone for different situations.

Enhancing Relationships: Opal is considered a symbol of love and passion. It is believed to enhance romantic relationships by promoting emotional intimacy, trust, and communication. Opal’s ability to reflect various colors is seen as a metaphor for the different facets of a relationship.

Physical Healing: In the realm of physical healing, opal is believed to aid in the treatment of various ailments, particularly those related to the eyes and vision. It is also thought to support the health of the circulatory system and alleviate stress.

Cautions and Considerations: It’s important to note that while many believe in opal’s spiritual and healing properties, these qualities are not scientifically proven. Opal should not replace medical advice or treatment. As with any gemstone, individuals are encouraged to use their intuition and personal experience when working with opal’s energies.

Opal Jewelry: Designs That Capture Iridescent Magic

Opal Ring By The London Jewellery David Morris

Opal, with its enchanting play of colors and iridescent allure, has captivated jewelry designers and enthusiasts for centuries. From timeless classics to contemporary creations, opal jewelry showcases the gemstone’s unique ability to reflect a kaleidoscope of hues. Let’s explore the world of opal jewelry and the stunning designs that capture its iridescent magic:

Opal Rings:

Opal Ring by jckonline

Opal rings come in a variety of styles, catering to different tastes and preferences. Whether set as a solitaire stone, surrounded by diamonds, or combined with complementary gemstones, opal rings make a statement of elegance and individuality. Opal’s play of colors adds a captivating element to any ring design, making it a popular choice for engagement rings and cocktail rings alike.

Opal Necklaces and Pendants:

Opal necklaces and pendants allow the gemstone’s colors to dance gracefully around the neck. A simple opal pendant can add a touch of iridescence to everyday attire, while a more elaborate design can be a show-stopping accessory for special occasions. Opal’s versatility shines through in necklace designs, from delicate chains to intricate chokers.

Opal Earrings:

Opal Ocellius Earrings

Opal earrings come in a variety of styles, catering to different preferences and occasions. Stud earrings featuring opals offer understated elegance, while drop earrings showcase the gemstone’s movement and play of colors. Opal studs can be worn daily, while opal chandelier earrings make a statement for formal events.

Opal Bracelets and Bangles:

Gold, Platinum, Boulder Opal, Enamel

Opal bracelets and bangles are a unique way to showcase the gemstone’s brilliance on the wrist. Whether as a single opal centerpiece or a combination of stones, opal bracelets add a touch of color and elegance to any ensemble. Opal bangles, in particular, allow for stacking and creating a personalized look.

Opal Statement Pieces:

Goshwara Opal Cabochon Contemporary by 1stdibs

For those who want to make a bold fashion statement, opal statement pieces are a fantastic choice. Oversized rings, opulent necklaces, and elaborate cuffs adorned with opals create a dramatic and eye-catching effect. These pieces allow opal’s play of colors to take center stage and capture attention from every angle.

Custom Opal Jewelry: One of the most exciting aspects of opal jewelry is its versatility in custom designs. Customizing opal jewelry allows you to select the type of opal, the setting style, and the accompanying gemstones, creating a piece that is uniquely yours. From personalized birthstone jewelry to heirloom-worthy creations, custom opal jewelry reflects your individual style and personality.

Modern and Vintage Fusion:

Contemporary designers often draw inspiration from vintage styles when creating opal jewelry. Vintage-inspired pieces capture the charm and elegance of eras gone by while infusing them with a modern twist. This fusion creates opal jewelry that is both nostalgic and fresh.

Caring for Opal Jewelry: Nurturing the Play of Colors

Opal jewelry is a testament to nature’s artistry, boasting a mesmerizing play of colors that dances within the gemstone. To ensure your opal jewelry continues to showcase its enchanting beauty for generations to come, proper care is essential. Opals are delicate and require special attention to preserve their iridescent magic. Here are some tips to help you care for your opal jewelry:

1. Avoid Harsh Chemicals: Opals are sensitive to chemicals, so it’s important to avoid exposing them to household cleaners, perfumes, lotions, and other chemicals. These substances can dull the opal’s brilliance and damage its delicate surface.

2. Remove Jewelry During Activities: While opals are relatively soft compared to other gemstones, they can be scratched or chipped if subjected to impact or pressure. It’s best to remove opal jewelry when engaging in activities that could expose the gemstone to potential damage, such as sports, gardening, or household chores.

3. Protect from Heat and Sunlight: Opals are made up of water content, and exposure to extreme heat or prolonged sunlight can cause them to become dehydrated and develop cracks. Avoid leaving opal jewelry in direct sunlight or exposing it to high temperatures, such as in a hot car or near a heating source.

4. Store Carefully: When not wearing your opal jewelry, store it in a soft pouch or a jewelry box with compartments to prevent scratching or tangling with other pieces. If possible, store opal jewelry away from direct sunlight and humidity to prevent any potential damage.

5. Gentle Cleaning: Opals require gentle cleaning to maintain their brilliance. Use a soft, damp cloth to wipe the surface of the opal and remove any dirt or residue. Avoid using harsh brushes or abrasive materials that could scratch the gemstone.

6. Avoid Sudden Temperature Changes: Opals can be sensitive to sudden temperature changes, which can lead to cracking. If you need to expose your opal jewelry to temperature variations (for example, going from a cold environment to a warm one), do so gradually.

7. Professional Cleaning and Maintenance: Regular professional cleaning and inspection by a jeweler who is experienced with opals is recommended. They can assess the condition of your opal jewelry and address any issues before they become more serious.

8. Re-stringing and Re-setting: If your opal jewelry is strung or set with other gemstones, consider re-stringing or re-setting it periodically. This can prevent wear and tear on the string or setting, ensuring the safety of your opals.

9. Be Mindful of Opal Doublets and Triplets: Opal doublets and triplets consist of a thin layer of opal glued to another material. It’s important to avoid exposing these types of opals to water or chemicals, as they could damage the adhesive.

Opal Folklore and Superstitions: Separating Fact from Fiction

Bonhams Art Jewelry Cartier

Opal has long captured the imagination of cultures around the world, and throughout history, various folklore and superstitions have surrounded this mesmerizing gemstone. While some beliefs are steeped in mystery and intrigue, it’s important to separate fact from fiction when it comes to opal folklore. Let’s explore some of the most common superstitions and beliefs associated with opals:

1. Opal as a Symbol of Bad Luck: Fiction: One of the most enduring myths about opals is that they bring bad luck. This belief gained prominence in the 19th century after the publication of a novel that portrayed opals as bringing misfortune to their owners. This negative reputation lingered for decades, tarnishing opal’s image.

Fact: Opal’s reputation for bad luck is largely based on unfounded superstition. In reality, opals are simply gemstones with their own unique beauty and properties. Many cultures and individuals appreciate opals for their play of colors and aesthetic appeal without any negative effects.

2. Opal and Love: Fiction: In some cultures, opals were believed to bring bad luck to married couples, suggesting that they could potentially cause marital discord or infidelity.

Fact: While this belief has no scientific basis, it’s important to note that gemstones don’t possess the power to influence human relationships. Opal’s symbolic significance as a stone of love and passion is more about the emotions it evokes rather than any supernatural effects on relationships.

3. Opal’s Sensitivity: Fiction: Opals were believed to be sensitive to their owners’ health and emotions, changing colors in response to illness or mood swings.

Fact: While opals are not capable of directly sensing emotions or health conditions, their play of colors can indeed shift due to changes in light, moisture, and temperature. This is a natural property of opals and is not related to a person’s emotional state.

4. Opal’s Influence on Vision: Fiction: Opals were thought to have the power to improve eyesight and enhance vision.

Fact: There is no scientific evidence to support the idea that opals can improve eyesight. Opal’s optical properties create its play of colors, but they don’t have a direct impact on human vision.

5. Opals and Superstitions: Fact: Opals have been both revered and feared in different cultures throughout history. While some people may still hold superstitious beliefs about opals, it’s important to approach these beliefs with an open mind and an understanding of the gemstone’s true nature.

Opal Mining and Locations: From Australia to Ethiopia

Splendor in the Outback_ A Visit to Australia’s Opal Fields _ Gems & Gemology

Opal, with its mesmerizing play of colors, is a gemstone that has captured the attention of the world for centuries. The majority of the world’s opals are mined in a few key locations, each known for producing opals of distinct characteristics and qualities. From the renowned Australian opal fields to emerging sources in Ethiopia, let’s explore the opal mining process and some of the most significant opal-producing regions:

Australian Opal Fields: Australia is widely regarded as the primary source of high-quality opals, producing a range of opal types. The following are some of the most well-known opal fields in Australia:

  1. Coober Pedy: Located in South Australia, Coober Pedy is perhaps the most famous opal mining town. Known as the “Opal Capital of the World,” Coober Pedy is known for its unique “opal underground” mining, where miners live and work underground to escape the extreme desert temperatures.
  2. Lightning Ridge: Situated in New South Wales, Lightning Ridge is famous for its black opals, which are highly valued for their dark body tone that enhances the play of colors. Black opals from Lightning Ridge are among the most sought-after opals in the world.
  3. Queensland Boulder Opals: In Queensland, boulder opals are mined from ironstone boulders. These opals are known for their unique patterns and often feature opal veins embedded in the host rock.
  4. Andamooka: Also in South Australia, Andamooka is known for producing crystal opals with a translucent or white body color. These opals can exhibit stunning play of colors.

Ethiopian Opals:

New Deposit of Black Opal from Ethiopia _ Gems & Gemology

In recent years, Ethiopia has emerged as a significant source of opals, particularly precious opals with vibrant play of colors. The Welo and Mezezo regions of Ethiopia are known for producing opals that rival those from Australia. Ethiopian opals are often characterized by their fiery and intense play of colors.

Other Opal Sources: Opals are also found in other parts of the world, although they may not be as widely known or commercially significant. Some of these locations include:

  • Mexico: Mexico produces a range of opals, including fire opals known for their bright orange and red colors.
  • Peru: Peruvian opals are often found in blue and blue-green hues. They are prized for their transparency and pastel colors.
  • Brazil: Brazil produces opals with a variety of colors, including white, yellow, and orange. Opals from Brazil often have a milky or opaque appearance.

Opal Mining Process: Opal mining involves various methods depending on the type of opal and the mining location. These methods include open-cut mining, tunneling, and shaft sinking. The process can be labor-intensive and challenging due to the geological conditions and the need to extract opals without damaging them. Miners use specialized tools and equipment to carefully extract the opals from the surrounding rock.

Opal in Art and Culture: Inspiring Creativity

The magnificence of Opal in High jewellery as seen in Dior, Louis Vuitton, Gucci, Cartier

Opal, with its captivating play of colors and ethereal beauty, has long been a source of inspiration for artists, writers, and creators across cultures. Its unique optical properties and ever-changing hues have stirred the imagination and found their way into various forms of art, literature, and cultural symbolism. Let’s explore how opal has played a role in inspiring creativity in art and culture:

1. Visual Arts: Opal’s mesmerizing colors and shifting patterns have captivated visual artists throughout history. Painters, sculptors, and jewelry designers have drawn inspiration from opals to create works that capture the gemstone’s magical qualities. Opal’s play of colors has been depicted in paintings, gemstone sculptures, and intricate jewelry designs that showcase its dynamic beauty.

2. Literature: Opals have been a popular subject in literature, often used to symbolize themes such as transformation, mystery, and emotional depth. Writers have used opals as metaphors for the ever-changing nature of human emotions and the hidden layers of the human experience. Opals have appeared in poems, novels, and short stories, where they serve as both plot devices and symbols of intrigue.

3. Mythology and Folklore: In various cultures, opals have been endowed with mystical and magical qualities. In ancient Rome, opals were associated with love and hope. Aboriginal Australian mythology speaks of the “Rainbow Serpent,” a creator being whose tracks were said to transform into opals. These mythological associations have contributed to opal’s aura of mystery and fascination.

4. Jewelry Design: Opal’s play of colors makes it a prized gemstone in the world of jewelry design. Jewelers often incorporate opals into elaborate pieces that showcase the gemstone’s enchanting hues. Opal jewelry designs range from intricate vintage styles to contemporary creations that emphasize the gemstone’s natural beauty.

5. Fashion and Accessories: Opal’s versatility extends to fashion and accessories. Opal-inspired clothing and accessories often incorporate iridescent elements that mimic the gemstone’s play of colors. Opal-themed accessories, such as scarves, handbags, and even opalescent nail polish, allow individuals to infuse their style with opal’s captivating allure.

6. Spiritual and Healing Beliefs: In various spiritual and healing practices, opals are believed to possess metaphysical properties that promote emotional balance, creativity, and inspiration. Some practitioners use opals as meditation aids to connect with their inner creativity and intuition.

7. Cultural Identity: In some cultures, opals hold cultural significance and are considered symbols of heritage and identity. Opal jewelry may be worn during special occasions or as a representation of one’s cultural roots.

8. Contemporary Art and Design: In contemporary art and design, opals continue to inspire creativity. Artists experiment with opal-like colors and patterns in various mediums, creating visual effects that mirror the gemstone’s play of colors.

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