What is Aquamarine?
Aquamarine is a captivating gemstone known for its tranquil blue hues, reminiscent of the ocean. It belongs to the beryl family, which also includes emerald and morganite. The name "aquamarine" is derived from the Latin words "aqua" (water) and "marina" (sea), perfectly capturing its essence. With a hardness of 7.5 to 8 on the Mohs scale, aquamarine is durable and ideal for various types of jewelry.
Uses
Aquamarine is a versatile gemstone that has been cherished for centuries. Its primary use is in jewelry, where it is fashioned into rings, necklaces, earrings, and bracelets. Its soothing color makes it a popular choice for both casual and formal wear. Beyond adornment, aquamarine is also used in metaphysical practices. It is believed to promote calmness, enhance communication, and provide protection during travel. Additionally, aquamarine is sometimes used in decorative items and carvings due to its clarity and beauty.
Origin
Aquamarine is found in various parts of the world, with significant deposits in Brazil, which is the largest producer of this gemstone. Other notable sources include Madagascar, Nigeria, Mozambique, and Pakistan. In the United States, aquamarine can be found in Colorado and North Carolina. The gemstone forms in granite pegmatites and is often discovered in alluvial deposits where it has been eroded from its original location.
Different Colors and Their Prices
Aquamarine is renowned for its range of blue hues, from pale blue to deep sea-blue. The most valuable stones are those with a deep, vivid blue color, often referred to as "Santa Maria" aquamarine. Lighter blue stones are more common and generally more affordable. Greenish-blue varieties are also available but are less sought after. Prices can vary significantly based on color, clarity, and size.
Pale Blue Aquamarine: $50 to $200 per carat.
Medium Blue Aquamarine: $200 to $500 per carat.
Deep Blue Aquamarine: $500 to $1,000+ per carat.
Properties of Aquamarine
Aquamarine is not only beautiful but also possesses several intriguing properties. It has a high refractive index, which contributes to its exceptional brilliance. The gemstone is also known for its transparency and clarity, often being free of inclusions. Aquamarine is pleochroic, meaning it can display different shades of blue when viewed from different angles. Its durability makes it a favorite among jewelers and gem enthusiasts alike.
Treatments of Aquamarine
To enhance its color and clarity, aquamarine often undergoes various treatments. Heat treatment is commonly used to remove greenish hues and produce a more desirable pure blue color. This treatment is generally stable and accepted in the gemstone industry. It's important for buyers to be aware of these treatments, as they can affect the gemstone's value. Always purchase aquamarine from reputable dealers who disclose any treatments the stone has undergone.
