July 20th Birthstones: A Deep Dive into Ruby, Onyx, and Their Cultural and Gemological Legacy

July 20th is a date marked by the convergence of two zodiac signs—Cancer and Leo—each associated with its own unique set of symbolic and energetic traits. As a result, individuals born on this date are often linked to multiple birthstones. These gemstones, including Ruby, Onyx, and others like Turquoise and Carnelian, are not only celebrated for their aesthetic appeal but also for their deep historical and cultural significance. This article explores the gemstones traditionally and contemporarily associated with July 20th, delving into their origins, gemological properties, symbolic meanings, and roles in jewelry and spiritual practices.

Historical Roots of the July 20th Birthstone

The tradition of birthstones can be traced back to ancient times, with one of the earliest known references found in the Hebrew Bible’s Book of Exodus. It describes the High Priest Aaron’s breastplate, which held twelve gemstones representing the twelve tribes of Israel. Over time, this concept evolved and was adapted by various cultures, eventually linking gemstones to specific months and zodiac signs. By the 20th century, the American National Retail Jewelers Association (now known as Jewelers of America) standardized the modern birthstone list, which is still in use today.

For July 20th, the birthstone tradition is particularly intriguing due to its position between the zodiac signs of Cancer and Leo. This transitional nature has led to the association of multiple gemstones with the date. Ruby is recognized as the official July birthstone, while Onyx, Carnelian, and Turquoise are considered alternative or traditional birthstones. This multiplicity reflects both the ancient and evolving nature of birthstone lore.

Historically, Ruby has been revered across civilizations for its deep red hue and associations with passion and vitality. In Hindu tradition, Ruby is known as “Ratnaraj,” or “king of gems,” and was often used in royal regalia and sacred rituals. Meanwhile, Onyx—a banded form of chalcedony—has been valued for its grounding properties and was used by the ancient Greeks and Romans to ward off negative energies. These cultural associations have contributed to the enduring appeal of these gemstones and their continued presence in jewelry and spiritual practices.

The Gemological Properties of Ruby and Onyx

Ruby: The King of Gems

Ruby, the most prominent and widely recognized birthstone for July, is a variety of the mineral corundum. Its chemical composition is aluminum oxide (Al₂O₃), and the red color is due to the presence of trace amounts of chromium. With a hardness of 9 on the Mohs scale, Ruby is one of the hardest gemstones, second only to diamond. This durability makes it ideal for use in various types of jewelry, including rings, earrings, and pendants.

Rubies are typically found in metamorphic rocks and are formed under high pressure and temperature conditions. The most famous sources of Ruby include Myanmar (formerly Burma), where the finest-quality rubies, known as “pigeon’s blood,” are found. Other notable sources include Thailand, Sri Lanka, and Madagascar. The gemstone’s rich red color and brilliance have made it a symbol of love, passion, and vitality across many cultures.

In addition to its natural occurrences, Ruby is often subjected to various treatments to enhance its appearance. These treatments include heat treatment, which is commonly used to improve color and clarity, as well as fracture filling and diffusion treatments. It is important for buyers to be aware of these treatments, as they can affect the gemstone’s value and care requirements.

Onyx: The Grounding Stone

Onyx, an alternative birthstone for July 20th, is a form of chalcedony, which is a microcrystalline variety of quartz. It is characterized by its parallel bands of color, typically black and white, though other color variations exist. Onyx has a hardness of 6.5 to 7 on the Mohs scale, making it more delicate than Ruby but still suitable for use in jewelry when properly cared for.

Historically, Onyx has been valued for its ability to absorb and neutralize negative energies. The ancient Greeks and Romans used Onyx to create signet rings and amulets, believing it to provide protection and emotional stability. In modern times, Onyx is often associated with strength, self-discipline, and emotional balance. It is also believed to help with the management of stress and anxiety.

Onyx is found in various parts of the world, including Brazil, India, and the United States. The gemstone is typically formed through the deposition of silica in cavities of volcanic rock. Its unique banding and relatively soft composition make it ideal for carving and engraving, leading to its use in a wide range of jewelry designs.

Symbolism and Metaphysical Beliefs

Ruby: Passion and Protection

Ruby has long been associated with passion, vitality, and love. In ancient times, it was believed to bring good fortune, protect the wearer from harm, and enhance courage and confidence. The gemstone was also thought to have healing properties, particularly for the heart and circulatory system. In medieval Europe, Ruby was considered a symbol of the sun and was believed to bring warmth, energy, and vitality to the wearer.

In Hindu tradition, Ruby is revered as the “king of gems” and was often used in royal regalia and sacred rituals. It was believed to bring success, prosperity, and protection to those who wore it. In modern metaphysical practices, Ruby is associated with the heart and root chakras, and is believed to promote love, passion, and a strong connection to the earth. It is also used in meditation and healing practices to enhance emotional balance and vitality.

Onyx: Grounding and Emotional Stability

Onyx is often associated with grounding, emotional stability, and protection. It is believed to help individuals stay centered and focused, particularly during times of stress or emotional turmoil. In ancient times, Onyx was used to create amulets and charms that were believed to provide protection from negative energies and to promote emotional balance. In modern times, Onyx is still used in meditation and healing practices to help individuals manage stress and anxiety.

In addition to its protective and grounding properties, Onyx is also associated with strength, self-discipline, and emotional resilience. It is believed to help individuals overcome obstacles and challenges, and to maintain a sense of inner strength and stability. In jewelry, Onyx is often used to create elegant and timeless pieces that are both beautiful and meaningful.

Cultural and Historical Significance

Ruby in Different Cultures

Ruby has played a significant role in various cultures throughout history. In ancient India, Ruby was considered the most precious of all gemstones and was believed to bring prosperity, success, and protection to the wearer. It was often used in royal regalia and was believed to be a symbol of power and authority. In medieval Europe, Ruby was associated with the sun and was believed to bring warmth, energy, and vitality to the wearer. It was also used in religious and royal ceremonies and was considered a symbol of divine power and protection.

In the modern era, Ruby continues to be a symbol of love, passion, and vitality. It is often used in engagement rings and other romantic jewelry, and is associated with deep emotional connections and enduring love. In addition, Ruby is often used in spiritual practices and is believed to promote emotional balance, vitality, and a strong connection to the earth.

Onyx in Different Cultures

Onyx has also played a significant role in various cultures throughout history. In ancient Greece and Rome, Onyx was used to create signet rings and amulets, which were believed to provide protection and emotional stability. It was also used in funerary practices and was believed to help guide the soul to the afterlife. In medieval Europe, Onyx was associated with mourning and was often used in mourning jewelry to help individuals cope with grief and loss.

In modern times, Onyx continues to be associated with grounding, emotional stability, and protection. It is often used in meditation and healing practices to help individuals manage stress and anxiety. It is also used in jewelry to create elegant and timeless pieces that are both beautiful and meaningful.

July 20th Birthstone Jewelry

Jewelry featuring Ruby and Onyx is often designed to reflect the gemstones’ symbolic and aesthetic qualities. Ruby is typically used in rings, earrings, and pendants, and is often set in gold or platinum to highlight its rich red color. It is also often used in combination with other gemstones to create unique and meaningful pieces. Onyx, on the other hand, is often used in rings, bracelets, and necklaces, and is often set in silver or gold to complement its deep, earthy tones.

Both Ruby and Onyx are versatile gemstones that can be used in a wide range of jewelry designs. They are also both relatively durable, making them ideal for everyday wear. When choosing jewelry featuring these gemstones, it is important to consider their symbolic meanings and personal significance, as well as their aesthetic appeal.

Care and Maintenance of July 20th Birthstones

Ruby

Ruby is a durable gemstone with a hardness of 9 on the Mohs scale, making it relatively resistant to scratches and abrasions. However, it can still be damaged if exposed to harsh chemicals or extreme temperatures. To care for Ruby jewelry, it is important to clean it regularly with a soft cloth and mild detergent. Avoid using ultrasonic cleaners or steam cleaners, as these can damage the gemstone or its setting.

When storing Ruby jewelry, it is best to keep it in a soft cloth or jewelry box to prevent scratches and abrasions. It is also important to avoid exposing Ruby to extreme temperatures or direct sunlight for prolonged periods, as this can cause the gemstone to fade or lose its luster.

Onyx

Onyx is a relatively delicate gemstone with a hardness of 6.5 to 7 on the Mohs scale. It is more susceptible to scratches and abrasions than Ruby, and can be damaged if exposed to harsh chemicals or extreme temperatures. To care for Onyx jewelry, it is important to clean it regularly with a soft cloth and mild detergent. Avoid using ultrasonic cleaners or steam cleaners, as these can damage the gemstone or its setting.

When storing Onyx jewelry, it is best to keep it in a soft cloth or jewelry box to prevent scratches and abrasions. It is also important to avoid exposing Onyx to extreme temperatures or direct sunlight for prolonged periods, as this can cause the gemstone to fade or lose its luster.

Conclusion

July 20th is a date marked by the convergence of two zodiac signs—Cancer and Leo—each associated with its own unique set of symbolic and energetic traits. As a result, individuals born on this date are often linked to multiple birthstones, including Ruby, Onyx, and others like Turquoise and Carnelian. These gemstones are not only celebrated for their aesthetic appeal but also for their deep historical and cultural significance. Ruby, with its rich red hue and associations with passion and vitality, is the most prominent and widely recognized birthstone for July. Onyx, with its grounding properties and protective qualities, is also a significant alternative birthstone for the date.

The tradition of birthstones has evolved over time, reflecting both ancient and contemporary beliefs about the symbolic and energetic properties of gemstones. Ruby and Onyx, in particular, have played important roles in various cultures throughout history, from ancient India and Greece to medieval Europe and modern spiritual practices. Their enduring appeal and significance continue to be reflected in jewelry and spiritual practices today.

For those born on July 20th, wearing a piece of jewelry featuring one of these gemstones can be a meaningful and personal expression of identity. Whether chosen for its aesthetic appeal, protective properties, or symbolic significance, the July 20th birthstone remains a timeless treasure, valued across generations and cultures.

Sources

  1. The July 20th Birthstone – A Deep Dive into Ruby, Onyx, and Their Symbolism
  2. July 20th Birthstone – Meaning, History, and Jewelry
  3. Gemstones by Date – July 20th
  4. July Birthstones and Their Symbolic Meanings

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