Turquoise, a captivating gemstone ranging in color from brilliant blue to green, holds a significant place in history and is recognized as a birthstone for the month of December. Its unique veined appearance and association with ancient cultures contribute to its enduring appeal. This article will explore the origins, geological formation, historical use, and characteristics of turquoise, drawing solely from available sources.
History and Lore
Birthstones have a rich history, with traditions dating back to the 16th century. The modern list of birthstones, as used in the United States, was updated in the early 1900s by the National Association of Jewelers, resulting in some months having multiple associated gemstones. Turquoise is specifically linked to December, and its backstory is filled with myths and tales.
The gemstone has been valued for centuries, and its use extends to antique jewelry, as evidenced by examples from the brand Avon. A specific piece, the “Beau Knot” ring from 1975, demonstrates the historical presence of turquoise in jewelry design. This particular ring, described in detail, showcases a classic ribbon shape and a slightly darker color, indicative of normal wear and age. The inclusion of turquoise in vintage jewelry highlights its enduring popularity across different eras.
Geological Formation and Sources
Geologists define turquoise as a copper aluminum phosphate. The formation of this gemstone is intrinsically linked to specific geological conditions. Turquoise typically forms in semi-humid and dry environments where rock is present, near water tables. The process involves chemicals seeping from adjacent rocks through rainwater and groundwater. The distinctive blue hue of turquoise is primarily attributed to the presence of copper, while the green coloration results from iron content.
While the provided sources do not specify particular mining locations, the description of its formation suggests it is found in areas with specific geological characteristics – those with copper-bearing minerals and accessible water sources.
Gemological Properties
Turquoise is described as an opaque stone, meaning it does not allow light to pass through it. Its color ranges from a vibrant blue, for which it is named, to shades of green. A defining characteristic of turquoise is its often veined appearance. These veins are formed by remnants of the host rock and can be black, silver, tan, or gold in color.
The sources do not provide details regarding the gemstone’s hardness, refractive index, or specific chemical formula beyond its composition of copper aluminum phosphate. However, its classification as a gemstone implies a degree of durability suitable for jewelry making.
Symbolism and Metaphysical Beliefs
The sources do not detail specific symbolism or metaphysical beliefs associated with turquoise. However, the general description of birthstones suggests that each gem possesses unique attributes thought to be shared by those born in its corresponding month. Further research beyond the provided sources would be needed to explore these beliefs in detail.
Care and Cleaning
The provided sources offer limited guidance on the care and cleaning of turquoise. However, a general recommendation for old jewelry is to store it in a dark, dry place, avoiding direct sunlight to prevent discoloration and deterioration. It is also advised to avoid storing different types of jewelry together to prevent scratching and damage. Removing jewelry during strenuous activity is recommended to avoid potential breakage, deformation, or loss of stones.
Avon and Vintage Turquoise Jewelry
The brand Avon has a history of incorporating turquoise into its jewelry designs. The “Beau Knot” ring from 1975, identified in “Identifying Avon Jewelry,” exemplifies this. The ring is made of alloy and was sold in sizes 7-9. The description notes the ring’s condition as approximately 50% new, with minor scratches and wear consistent with age and use. This example demonstrates the accessibility of turquoise jewelry through brands like Avon and its presence in vintage collections. The product is described as an antique and vintage item, originating from the United States.
Gemstone Rings and Metal Choices
When choosing a gemstone ring, the metal used in the setting is an important consideration. Several options are available, each with its own aesthetic and price point. These include 14-karat rose gold, which pairs well with colored stones; 14-karat white gold, a popular and affordable alternative to platinum; 14-karat yellow gold, offering a classic look; 18-karat white gold, which is more delicate but has a more vivid appearance; sterling silver, a versatile and affordable option; and gold-plated sterling silver, providing a warmer hue at a lower cost. Sterling silver is noted as pairing well with nearly every gemstone.
Jewelry Repairs and Retailers
Maintaining gemstone jewelry often requires repairs, such as resizing rings, polishing stones, removing scratches, and repairing damaged settings. Jewelers like Peter & Co. Jewelers offer these services, along with free repair estimates. Retailers also provide custom design services and carry a variety of fine jewelry pieces. Portofino Jewelry is specifically mentioned as a trusted source for custom turquoise jewelry in Avon, Colorado.
Purchasing Considerations
When purchasing a gemstone ring, several factors should be considered. These include the ring brand, the material used in the setting, and personal preferences regarding color and style. Online retailers often allow customers to filter rings by metal and other attributes, while in-store jewelers can provide personalized guidance.
A Note on Product Condition and Packaging
When purchasing vintage or antique jewelry, it is important to carefully review the product description and photos. Sellers often provide detailed information about the item’s condition, including any flaws or wear. Packaging is typically simple and environmentally friendly, but gift wrapping or a carton can be requested for an additional fee.
Table of Metal Options for Gemstone Rings
| Metal | Description | Advantages |
|---|---|---|
| 14-karat Rose Gold | Alloy of gold and copper | Pairs well with colored stones |
| 14-karat White Gold | Immensely popular | Looks like platinum, more affordable |
| 14-karat Yellow Gold | Alloy of gold and another metal | Classic look |
| 18-karat White Gold | More delicate | More vivid appearance than 14-karat gold |
| Sterling Silver | Silver | Affordable, versatile |
| Gold-Plated Silver | Sterling silver with yellow gold plating | Warmer hue, lower cost |
Conclusion
Turquoise, the December birthstone, is a captivating gemstone with a rich history and unique geological origins. Its opaque nature, ranging from brilliant blue to green hues, and often veined appearance make it a distinctive and desirable gem. While the provided sources offer a limited scope of information, they highlight its historical presence in jewelry, particularly through brands like Avon, and provide insights into its formation and care. The enduring appeal of turquoise lies in its beauty, its connection to ancient traditions, and its versatility in jewelry design.