Home Aquamarine Which Colors Make Aquamarine: A Comprehensive Guide

Which Colors Make Aquamarine: A Comprehensive Guide

by Madonna

Aquamarine, with its captivating shades of blue and green, has long been admired for its soothing and tranquil colors. But what are the colors that make up this serene gem? In this article, we’ll delve into the world of aquamarine, exploring the chemistry and geology behind its enchanting hues. We’ll also discuss the gem’s historical significance, its use in jewelry, and the factors that influence the range of colors in which aquamarine can be found.

The Chemistry of Aquamarine’s Color

Aquamarine belongs to the beryl family of minerals, which also includes emerald and morganite. The captivating blue and green hues of aquamarine are primarily influenced by the presence of trace elements and the interaction of light within the crystal lattice. Let’s take a closer look at the chemistry of these colors:


1. Iron

Iron is the primary coloring agent responsible for the blue and green colors in aquamarine. When iron ions are present in the crystal structure of beryl, they absorb certain wavelengths of light, allowing others to pass through. This selective absorption gives aquamarine its characteristic colors.


a. Blue Aquamarine: When iron is present in a reduced form (Fe²⁺), it absorbs wavelengths in the red and yellow part of the spectrum, allowing the blue and green-blue light to be transmitted. This results in the beautiful sky-blue and deep blue shades of aquamarine.


b. Green Aquamarine: Green aquamarine contains a higher concentration of iron in its oxidized form (Fe³⁺). The iron ions absorb some blue and yellow light, while green light is transmitted, resulting in the greenish hues observed in certain aquamarine crystals.

2. Interaction with Light

Aquamarine’s color can also be influenced by the interaction of light within the crystal lattice. The structural arrangement of atoms in the beryl mineral impacts the way light is scattered and absorbed. This interaction can lead to variations in color intensity, saturation, and transparency.

See Also: Is Aquamarine A Good Quality: What You Need To Know

The Geological Formation of Aquamarine

Aquamarine is formed under specific geological conditions, often in association with granitic rocks and pegmatites. These rocks provide the necessary elements for the formation of beryl minerals. The presence of heat, pressure, and hydrothermal fluids plays a crucial role in the creation of aquamarine crystals. As the minerals cool and solidify, aquamarine crystals can grow, capturing the chemical impurities responsible for their color.

Aquamarine is frequently found in countries such as Brazil, Madagascar, and Pakistan, and each region may produce aquamarine with distinct color variations due to differences in the geological environment.

Variations in Aquamarine Colors

Aquamarine comes in a range of colors, from pale blue to deep greenish-blue, each with its unique appeal. Let’s explore some of the variations in aquamarine colors:

1. Sky Blue Aquamarine

This is the most iconic and sought-after color of aquamarine. Sky blue aquamarine is known for its tranquil and soothing hue, reminiscent of a clear blue sky. The iron content in this variety results in a balanced absorption of light, creating this distinct color.

2. Deep Blue Aquamarine

Deep blue aquamarine has a richer and more intense blue color compared to the lighter sky blue variety. This is often due to a higher iron content, particularly the presence of Fe²⁺ ions, which results in a deeper color saturation.

3. Greenish-Blue Aquamarine

Some aquamarine crystals exhibit a greenish tinge, which is attributed to the presence of a higher concentration of oxidized iron ions (Fe³⁺). This gives the gem a slightly greener appearance while retaining its blue character.

4. Seafoam Green Aquamarine

Seafoam green aquamarine is a lighter variety, often showcasing a delicate and calming green-blue color. It is appreciated for its soft and pastel-like hues, making it an attractive choice for jewelry.

5. Teal Aquamarine

Teal aquamarine features a blend of blue and green shades, resulting in a striking and vibrant color. The specific combination of iron ions and structural interactions with light create this alluring teal hue.

Historical Significance of Aquamarine

Aquamarine has been cherished throughout history for its beauty and symbolism. Here are some key moments in the gem’s historical significance:

1. Ancient Beliefs:

The Romans believed that aquamarine had protective qualities when worn as an amulet. They associated it with the god Neptune and believed it would keep sailors safe at sea.

2. Medieval Europe:

During medieval times, aquamarine was considered an antidote to poison and was often used in jewelry worn by royalty and nobility.

3. Modern Symbolism:

Today, aquamarine is associated with serenity, clarity, and tranquility. It is often linked to the calming influence of water, making it a symbol of peace and emotional balance.

Aquamarine in Jewelry

Aquamarine’s captivating colors make it a popular choice for jewelry, particularly in the creation of rings, necklaces, earrings, and pendants. Here are some ways aquamarine is used in jewelry:

1. Engagement Rings:

Aquamarine’s serene blue colors make it a unique and elegant choice for engagement rings. It is a symbol of eternal love and tranquility.

2. Pendants and Necklaces:

Aquamarine pendants and necklaces are admired for their calming and soothing appearance. They are often used in both casual and formal jewelry designs.

3 .Earrings:

Aquamarine earrings, whether studs or dangle earrings, add a touch of sophistication to any outfit. The gem’s colors complement various styles.

4. Bracelets:

While less common than other jewelry forms, aquamarine bracelets are treasured for their beauty and the sense of tranquility they evoke.

See Also: Aquamarine: Does It Glow in the Dark?

How Much Does Aquamarine Cost?

The cost of aquamarine varies significantly depending on factors like color, clarity, carat weight, cut, and origin. On average, aquamarine can range from $50 to $500 per carat for stones of moderate quality. Exceptional, high-quality aquamarines can cost over $1,000 per carat, particularly for larger, deeply colored, and flawless gems. The most valuable are typically sky blue or deep blue varieties with excellent transparency and minimal inclusions. The origin, with some aquamarines from sought-after sources like Brazil or Madagascar commanding higher prices, also plays a role in determining the cost of this beautiful gemstone.

Is aquamarine worth investing in?

Investing in aquamarine can be an option, but it’s important to consider several factors before making such a decision. Here are some key points to keep in mind:

1. Rare and High-Quality Stones:

Exceptional, high-quality aquamarines, especially those with deep blue or vivid colors, are more likely to appreciate in value over time. These gems are relatively rare and can command premium prices.

2. Market Trends:

It’s crucial to monitor market trends and demand for aquamarine. The gemstone market can be influenced by various factors, including fashion trends and economic conditions.

3. Authentication and Certification:

Ensure that you purchase aquamarines from reputable sources and obtain gemological certifications to confirm the stone’s authenticity and quality.

4. Diversification:

Like any investment, it’s wise to diversify your portfolio. Don’t put all your resources into a single type of asset.

5. Long-Term Perspective:

Investing in gemstones, including aquamarine, should be viewed as a long-term investment. The value of gemstones may take years to appreciate significantly.

While aquamarine can be a beautiful and potentially valuable investment, it’s not without risks. If you are considering investing in gemstones, it’s essential to do thorough research and approach it with a long-term perspective.

Conclusion: The Allure of Aquamarine’s Colors

The enchanting colors of aquamarine, influenced by iron content and the interaction of light, make it a gem of serenity and beauty. Whether in the form of sky blue, deep blue, seafoam green, or teal, aquamarine captivates with its calming and tranquil hues. Its rich history, symbolic significance, and use in jewelry design have cemented its status as a cherished gemstone. Whether adorning an engagement ring or accenting a pendant, aquamarine’s colors continue to captivate hearts and evoke a sense of tranquility.


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