Birthstone jewelry has long been cherished for its personal and symbolic value. Among the most popular designs in this category are seven stone birthstone necklaces, which serve as meaningful representations of family, time, and the individual significance of each birthstone. These necklaces often celebrate milestones such as a 70th birthday or the addition of family members, and they are crafted using a combination of gemological artistry, symbolic meaning, and modern jewelry techniques. This article explores the design, symbolism, materials, and cultural significance of 7 stone birthstone necklaces, drawing from various examples of available products and the gemological properties associated with the stones used.
History and Lore
Birthstones trace their origins back to ancient traditions, with the earliest known references appearing in the biblical Book of Exodus, which mentions the 12 stones on Aaron’s breastplate. Over time, these associations evolved into the modern birthstone calendar we recognize today. While the practice of assigning gemstones to specific months is not universal and has varied across cultures, the symbolic use of birthstones as personal talismans and family heirlooms has remained consistent.
The seven stone birthstone necklace is a relatively modern interpretation of this tradition. Rather than representing the 12 months, these necklaces often commemorate seven decades of life, one for each stone, or they may represent the birthstones of seven family members, such as a mother and her six children. This concept is particularly popular in the context of 70th birthday celebrations, where the necklace serves as a meaningful gift that symbolizes the enduring strength of family bonds and the passage of time.
The halo or family tree design of these necklaces reinforces the central theme of unity and continuity. In many cases, the stones are arranged in a circular or branching pattern, with the central stone (often a diamond or a significant family member’s birthstone) at the center and the others surrounding it. This design is not only aesthetically pleasing but also rich in symbolism, representing the infinite nature of love, strength, and family connection.
Geological Formation and Sources
The gemstones used in 7 stone birthstone necklaces are selected based on their month of origin, aesthetic appeal, and availability. Each stone is chosen for its unique properties and the meaning it carries. While the specific stones can vary depending on the customer’s preference, common combinations include Garnet (January), Amethyst (February), Aquamarine (March), Diamond (April), Emerald (May), Ruby (July), and Sapphire (September).
From a gemological perspective, these stones are formed through a combination of geological and chemical processes that occur deep within the Earth’s crust. For example:
- Garnet is typically found in metamorphic and igneous rocks, formed under high pressure and temperature conditions.
- Amethyst, a variety of quartz, is often found in geodes and is formed when silica-rich solutions cool slowly.
- Aquamarine, a beryl mineral, forms in granitic pegmatites and is known for its blue color caused by iron impurities.
- Diamonds are formed under extreme pressure and temperature conditions deep in the Earth’s mantle, and they are brought to the surface through volcanic eruptions.
- Emeralds, another beryl variant, are formed in metamorphic rocks and contain chromium or vanadium that gives them their green color.
- Rubies, which are a type of corundum, are formed in metamorphic rocks and are known for their deep red color due to the presence of chromium.
- Sapphires, also corundum, are formed in the same geological conditions as rubies but derive their blue color from iron and titanium impurities.
The availability of these stones varies depending on the mining region and the ethical sourcing of the gemstones. Many modern jewelers, including the ones featured in the sources, prioritize sustainable and ethical practices, such as using lab-grown diamonds or certified gemstones from responsible mines.
Gemological Properties
The gemological properties of the stones used in 7 stone birthstone necklaces are essential to both their aesthetic appeal and durability. Each gemstone is selected not only for its symbolic meaning but also for its hardness, clarity, color, and refractive index.
| Gemstone | Hardness (Mohs) | Color | Chemical Formula | Common Sources | Refractive Index |
|---|---|---|---|---|---|
| Garnet (January) | 7.5–8.0 | Red | (Fe, Mg, Mn)₃Al₂(SiO₄)₃ | India, Brazil, USA | 1.72–1.87 |
| Amethyst (February) | 7.0 | Purple | SiO₂ | Brazil, Uruguay, Russia | 1.54–1.55 |
| Aquamarine (March) | 7.5–8.0 | Blue | Be₃Al₂(SiO₃)₆ | Brazil, Zambia, Nigeria | 1.56–1.60 |
| Diamond (April) | 10.0 | Colorless | C | South Africa, Canada, Russia | 2.417 |
| Emerald (May) | 7.5–8.0 | Green | Be₃Al₂(SiO₃)₆ | Colombia, Zambia, Brazil | 1.56–1.60 |
| Ruby (July) | 9.0 | Red | Al₂O₃ | Myanmar, Thailand, Sri Lanka | 1.76–1.78 |
| Sapphire (September) | 9.0 | Blue | Al₂O₃ | Myanmar, Sri Lanka, Australia | 1.76–1.78 |
These properties determine how the stones are cut, set, and worn. For example, diamonds, being the hardest gemstone, are often used as central stones or as accent stones in halo designs due to their brilliance and durability. Sapphires and rubies, also high on the Mohs scale, are suitable for daily wear and can be set in ring bands or necklace pendants.
The cut of the stones also plays a crucial role in their appearance. Common cuts used in 7 stone birthstone necklaces include briolette, princess, and round brilliant cuts. The briolette cut, for instance, is a teardrop-shaped cut that enhances the sparkle and light reflection of the gemstone. Princess cuts, on the other hand, are square or rectangular cuts that offer a modern and elegant look.
The setting of the stones is equally important. Bezel settings are often used for delicate or fragile stones, such as opals, to protect them from damage. Pavé settings, where small gemstones are closely set together, are also popular for adding a sparkling effect.
Symbolism and Metaphysical Beliefs
The use of birthstones in jewelry is not merely decorative; it is also deeply symbolic and spiritual. Each gemstone carries its own metaphysical properties and cultural significance, which are often attributed to its color, hardness, and historical use.
- Garnet (January) is associated with prosperity, protection, and vitality. It is believed to bring good fortune and strengthen relationships.
- Amethyst (February) is known as the stone of sobriety and tranquility. It is believed to promote calmness, clarity, and spiritual awareness.
- Aquamarine (March) is associated with serenity, courage, and clarity of thought. It is often used in healing and calming rituals.
- Diamond (April) represents eternal love, strength, and clarity. It is the hardest and most enduring of all gemstones, symbolizing unbreakable bonds.
- Emerald (May) is linked to renewal, growth, and harmony. It is believed to enhance intuition and emotional balance.
- Ruby (July) is a symbol of passion, energy, and vitality. It is considered a stone of power and is often used in protective amulets.
- Sapphire (September) is associated with wisdom, truth, and loyalty. It is believed to bring mental clarity and spiritual insight.
These symbolic meanings are often personalized in the context of a seven stone birthstone necklace, where each stone represents a specific individual or life stage. For example, a mother’s necklace may include the birthstones of her seven children, each stone representing a unique personality, relationship, or memory.
The metaphysical properties of these stones also play a role in jewelry design. For instance, amethyst is often used in stress-relieving jewelry, while emerald is chosen for renewal and healing purposes. The combination of stones in a necklace can also be used to balance energies or enhance certain qualities, making it a personalized and meaningful piece.
Care and Cleaning
Given the variety of gemstones used in 7 stone birthstone necklaces, it is important to care for the jewelry properly to maintain its appearance and longevity. The care instructions can vary depending on the type of gemstone, metal, and setting used in the piece.
General care tips for these necklaces include:
- Avoid exposure to harsh chemicals, such as perfumes, lotions, and cleaning agents, which can damage the gemstones or metal.
- Store the necklace in a soft pouch or jewelry box to prevent scratches and tangles.
- Clean the necklace gently using a soft cloth or mild soap and water. Avoid using ultrasonic cleaners for delicate or porous stones, such as opals or pearls.
- Avoid exposing the necklace to extreme temperatures, as this can affect the setting or the gemstone itself.
- Inspect the necklace regularly for any loose stones or damaged settings, and have it professionally cleaned or repaired if necessary.
For specific gemstones, such as emerald or ruby, it is recommended to avoid using harsh cleaning agents and to handle the jewelry with care to prevent chipping or cracking. Diamonds and sapphires, being harder and more durable, can withstand more rigorous cleaning but should still be handled with gentle care.
The metal used in the necklace, such as 14k gold, silver, or platinum, also affects the cleaning and care process. For example, silver may tarnish over time and require polishing, while gold is generally more resistant to tarnishing.
Conclusion
Seven stone birthstone necklaces are more than just beautiful pieces of jewelry; they are symbolic representations of family, time, and personal identity. Whether used to celebrate a 70th birthday, honor a family, or commemorate a special occasion, these necklaces carry deep emotional and spiritual significance.
From a gemological perspective, the selection of birthstones is based on their hardness, color, and symbolic meaning, ensuring that each stone contributes to the overall beauty and meaning of the piece. The design of these necklaces, whether in a halo, family tree, or bar style, is also carefully considered to enhance the visual appeal and symbolic depth of the jewelry.
As jewelry continues to evolve, so does the artistry and meaning behind birthstone jewelry. With the rise of customization, ethical sourcing, and modern design, seven stone birthstone necklaces are becoming increasingly popular as personalized and meaningful gifts. Whether worn as a daily accessory or a special occasion piece, these necklaces serve as a lasting reminder of family, love, and the enduring power of gemstones.